Domain Overview
DNS: ✓ just now
Checker: ✓ just now
extend.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 01:23:03 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 198.202.211.1
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns-693.awsdns-22.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-693.awsdns-22.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1250.awsdns-28.org
ns-1942.awsdns-50.co.uk
ns-44.awsdns-05.com
ns-693.awsdns-22.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:mail.zendesk.com include:mg-spf.greenhouse.io include:mktomail.com include:sendgrid.net include:_spf.salesforce.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- atlassian-domain-verification=9pOD4dpRbtJv3pqf/DL2OrKaLqI8UFWz8PpbUPaS55Rax6hkv0tPc8kCjBNmQkr6
- asv=bbad40bc2b7f1b1cd549480ec0c94b58
- ZOOM_verify_gGeH006aRzeoHY4OYlMjuQ
- google-site-verification=rwXJEXsJT3ZSyJAuDK7JtLcCvZ0KKBWbwBUMqdYiQEA
- google-site-verification=cofAARCbsTT3jgQGxXsl4eQ_zl9eIjsAiLAmc2M0vVI
- SPFv=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:mail.zendesk.com include:mg-spf.greenhouse.io include:mktomail.com include:sendgrid.net include:_spf.salesforce.com ~all
- segment-site-verification=rPScTR9uQ2tc4ytEufRrFQnBBWRIOIag
- B2E0200FEB
- google-site-verification=ksHcEZUP0mtIGfmUPN0OCE9c6Ca8I-A6rgKxnD1YAYc
- onetrust-domain-verification=b113d14af29049a5afa5a070892cf656
- asv=bf5e7ce55596452a917fb2d38ebc8281
- jamf-site-verification=BNoBKkGPm3C3jOesdwHweA
- anthropic-domain-verification-pbcf7h=hriHdEMlEj8qJwDHYJ8kUNjLZ
- google-site-verification=wU8P0k2FNVb0jnJQY-YqsSibqI39x1Gv7FtH9leeb5s
- google-site-verification=tH4530waKanAqErZtnPXlwlEPBRUi87SuJx8m8OuOpg
- miro-verification=ca5801c1b70683bb70eea0809c6a5f12c4844e4e
- MS=ms39622144
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