Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
t-mobile.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:10:35 UTC · ↺ Refresh
MX Hostnames
- tmobile-com0c.mail.protection.outlook.com
MX Priorities
- tmobile-com0c.mail.protection.outlook.com: 10
A / AAAA Records
- 23.205.249.201 ↩ a23-205-249-201.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
SOA Record
Raw SOA
anppol31.gsm1900.org admin.t-mobile.com 3334556812 28800 1800 3600000 900
Primary NS (mname)
anppol31.gsm1900.org
Admin Email (rname)
admin@t-mobile.com
Serial
3334556812
Refresh
28800s
Retry
1800s
Expire
3600000s
Minimum TTL
900s
Nameservers (NS)
auth2.dns.cogentco.com
a14-65.akam.net
ns10.zayo.com
a6-66.akam.net
a8-66.akam.net
auth1.dns.cogentco.com
a7-65.akam.net
ns20.zayo.com
ns2.customer.level3.net
ns7.customer.level3.net
a1-167.akam.net
a13-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-00025703.pphosted.com include:spf.protection.outlook.com include:spf-00025704.pphosted.com include:spfa.t-mobile.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; fo=1; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
57 records- pardot27512=f3f9d92bd48b12ce585e7a93122d4159d5f8078eaad156ec9e1e47f0b63deb02
- mongodb-site-verification=yT8AEYHWWybrpK1eaOJcyv5dscaJO38p
- apple-domain-verification=KDzvhXe4cbQdtw8Y
- slack-domain-verification=RMMMdd6ERftoGPuVjHkRM8qRPjoBdOWmeKyZby5N
- asv=4440ed722578d3216de4f9e103861c6f
- google-site-verification=fWX7AFcmhAcRRPQ0emsehKvrMfbrQ9QFAa8gx6zeACg
- mongodb-site-verification=kyVazFNkhRwf381tlknqe9Ta5cHSr17w
- c5f9f28f-53f4-4432-b9a8-4226caf3836d
- UCOMDPAAJiCNuzP/ebVmFOKAA2TP7tqEvDM1cf4ItaeVqtwgGqZNEMG/8c0aEZSaWZlKHKQdZMt8bRufnNJJ8Q==
- safebreach-domain-verification=d13aaf5d-3e4b-42ef-ac10-2a4bc1845580
- ijJn37K8VdSxayA18QtfR1qUev8VV9Ju45iyxMtMgfH0BxW0JsckR6o17BKB++/izjsoO+zMmp4WlXKu7zbwpg==
- stripe-verification=1703d5043e7a37bcf7764c103a0758402b25e804c5e2f13d7c2456fc99f659e9
- adobe-sign-verification=46b586473b87414e4981919c3f262b6c1bef554054c3440592999625b97827e6
- flexera-domain-verification-ivzrauoydrpdpzck
- adobe-idp-site-verification=d332be15-fa0d-4864-98f9-9c3644c5ac8a
- flexera-domain-verification-assbcwanzajkzhoj
- 00d4x0000017z8ueau
- mongodb-site-verification=vxzm0v32S5akF4SUYyztlilqyanHxhej
- SPFv=spf1 include:spf-00025703.pphosted.com include:spf.protection.outlook.com include:spf-00025704.pphosted.com include:spfa.t-mobile.com -all
- bv-domain-verification=4511837bcf163b8c16a14c58b88001a9d52f016635529838e2f2db2a9eb6575f
- fastly-domain-delegation-E5JMY13uUgB53j0ZLi0O-468499
- globalsign-domain-verification=1ADE7E59F15B848208E9A2C3149BD6D9
- ms-domain-verification=bd950146-1df1-4af0-a38b-854708f6dcda
- 9BfPDaYMzkYvaklEhWuipbRJA+Q3iE2fQHsozZv8YnH2aXu/l1ySXimIQ5QAxdk1JptN6ZlP/9fOJs6mwbueDA==
- apple-domain-verification=hGGENQSuBO2ijTe0MrJoeQs5S2x1z-fEJ-IrsxWFIgQ
- paloaltonetworks-site-verification=73090b8854fd74bf017e1d7d38bb667e7f41b1302c2c9922c8ef1555edbee9a5
- paloaltonetworks-site-verification=95a972bd8961a19c73c58da5f119dc0cfa8c06b78201558bc7dc0c025e2ebdda
- -wGpKEgpfo6jL7nohepfQUltWErcI1Vi0mv85zpOZR
- pardot373303=590bf6d3120d11c674d46ad11c2c001522ffdffd2ee119682dbef39c4e4d9645
- paloaltonetworks-site-verification=e19ce729d4e0b73b68eb1c514696827a414288c627589613ef779cb56d7bb3b1
- 4df61529-85a8-43eb-9a1b-744a26fc0bfb
- fastly-domain-delegation-haFdRK5qtE-604165-202305068
- 3oQetLbPYiIeB-AqjqjTDKzN8mw
- pardot27512=104ea8a9b27d1b908d1ca3648bc2b1fc9a51868c7f4f5276afe19a184bfb2c67
- stripe-verification=a9d792834a9c24f3f90fe0b216a3d66705b61d08273285eee2893302b95dcd32
- globalsign-domain-verification=F43413DC69919612FB5BBC1331CFB888
- canva-site-verification=hu9CaOVojRhpeblHl8jR9A
- onetrust-domain-verification=f97e9af20bcf4a9ba78688c9522048f3
- atlassian-domain-verification=9rtC63Zem2OXazHZo0JP5ut2fjvh4emaX/asaF85aZ25subk0l0wgs81SYf6acg3
- atlassian-domain-verification=nor4wlzlpaY1gIz969mmayWeyZtoFqKbgIK3MMwJxMXNWhz38adx1PL4lqgu1aW7
- pardot970243=51ca5207b7299be32a3287b251542df7efc64e216785f8bb255296ccf4ae5406
- onetrust-domain-verification=62b477d4d6c84ab2b26460e78b470ccd
- google-site-verification=s5rWqvuHEodjhvw1kbSqZhYuHxluldo1wJEFOWzm37E
- mongodb-site-verification=VzaTCfxQ1u33iJ9f1oy8ZHRnaQg4aYsg
- 01319392
- google-site-verification=yJy9n-g6ZDLu0q5loERegsi1Pd9_VOcIu3hXsKtwUnY
- openai-domain-verification=dv-ryTdqunpfQYdMnfMWCJi75lK
- google-site-verification=vn8hAM-cJoTQ0JqFsa_AXedZYcx_UhFilSt35qzqgVU
- openai-domain-verification=dv-qzlk1GkyAX1fajU1U6nLbODv
- apple-domain-verification=FyTXddvPXPs0FQlw
- Dynatrace-site-verification=e5dbd556-f174-4bca-989a-4efe91e13489__55tpqrk2q9ekrhmuvo78chplb
- 76b80d6969864cfda3b60c36b2643d49
- asv=1c0ebb2071cb51a3a10723b1a46f839a
- status-page-domain-verification=f4p9pvjt5gtw
- liveramp-site-verification=n_i3Tkg19Zo-JK3LKOs9K67apIXNNIPHV3R9sqL44ig
- anthropic-domain-verification-ehbs8b=HPz9di3090qUVYnDn1zwLy6Kh
- infoblox-domain-mastery=74b051f293ffeddd50555c4bad7f26d3a10bb2747c6f4d9aa7d9227b34c738a586
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for t-mobile.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits