Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tellabs.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 13:17:41 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx2-us.emailsecurity.app: 10
- mx1-us.emailsecurity.app: 0
A / AAAA Records
- 144.202.67.31 ↩ tlab-stage.tempurl.host
- 2001:19f0:6401:1e38:5400:5ff:fe33:bcd8 (no PTR)
Mail Server IPs
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ns1.linode.com alan\.malone.tellabs.com 2021000199 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
alan\@malone.tellabs.com
Serial
2021000199
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.linode.com
ns5.linode.com
ns2.linode.com
ns1.linode.com
ns4.linode.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:51.81.203.85/32 include:spf.mandrillapp.com include:sparkpostmail.com include:spf.constantcontact.com include:spf.protection.outlook.com include:spf1.emailsecurity.app include:_spf.psm.knowbe4.com include:rp.oracleemaildelivery.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=none; fo=1; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- atlassian-domain-verification=KryqmOfXiTQlhUHnwT3ZUTKAKiA7gaeNvHVYBwsXjigEnG4hwOTeEg7LyS7Nfjhm
- bfb95e634e7449cf21841154560e8184c3bdfb910b807e516e
- google-site-verification=nrZxhtyxyVVMwggIXo0IhOrtaDjIXVwgSXDTwx-4OVk
- SPFv=spf1 ip4:51.81.203.85/32 include:spf.mandrillapp.com include:sparkpostmail.com include:spf.constantcontact.com include:spf.protection.outlook.com include:spf1.emailsecurity.app include:_spf.psm.knowbe4.com include:rp.oracleemaildelivery.com -all
- MS=ms94591622
Full email verification for tellabs.com
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