Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gfs.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 08:48:58 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 23.185.0.2
- 2620:12a:8000::2
- 2620:12a:8001::2
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2026032003 3600 600 604800 172800
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026032003
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
ha2.markmonitor.zone
ha4.markmonitor.zone
ha3.markmonitor.zone
ha1.markmonitor.zone
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.gfs.ca include:spf2.gfs.ca include:spf3.gfs.ca include:spf4.gfs.ca include:oktamail.gfs.com include:wiamnpmail.gfs.com include:wiammail.gfs.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
24 records- _globalsign-domain-verification=fglY8fW9FHwF88bTrkylG5-G165KrJe3yCIjKnAR9J
- _globalsign-domain-verification=nx5U56FiDUqhsckpguh1BWVo8oJVRsFtwCfGxdBN4e
- google-site-verification=YZlCLbwGcH6VB1DaGpSP96w3IMvteVS8x5gm_RXS7vc
- uyplnuqdrn
- _globalsign-domain-verification=EjPxRpSNAI2an12JHUpXeiMSoted2BhX6p_ljbqWlU
- asv=81333f6ddd4df1cebafc05f0372ef848
- _globalsign-domain-verification=aPSFamDsJ0OViaykmvCZx7uMFCDVTktkA3wVfybUXR
- google-site-verification=H39FZ_6X21D2ULTQtDCdat4n9GiP7CkPcJbsmSAsQmk
- atlassian-sending-domain-verification=f9c16039-c77a-49a4-8904-24050e7bad18
- fastly-domain-delegation-TlesdrkagyXHDwfr-20200609
- adobe-idp-site-verification=c2c3c9beca3d427d83fcfed872bda7ee1113fe26c79ce9d64b9e1b0ed81c0863
- knowbe4-site-verification=641daa96a3ea5d71ba1dc2c60496ea8e
- Dynatrace-site-verification=693638b8-dcd6-4ffb-bb07-35efa6702254__vlercd4g38to2m7hlhq4pe04dr
- atlassian-domain-verification=M1AxxQTCd5QGPgtDbPTCIfLYj1YxwnrtqlXVl90cWORumDU8RMdM8QQOSW8Do0WG
- _globalsign-domain-verification=8RGDqabekFZhhJEqdJHbH3_LLNY1cKoIfqO0g5e0Vy
- facebook-domain-verification=fyte1x55kl6vah1njt1731ghtpbrrc
- apple-domain-verification=GRIr6tlTejmws2c3
- MS=96459826C2207B4819345C1E0F7E459344467CF7
- _t0xhgn130ppxibraim18ito2sxt8i3u
- SPFv=spf1 include:spf1.gfs.ca include:spf2.gfs.ca include:spf3.gfs.ca include:spf4.gfs.ca include:oktamail.gfs.com include:wiamnpmail.gfs.com include:wiammail.gfs.com ~all
- TVC-15J-KN4
- globalsign-domain-verification=273eFvKCuCXR3P_oKS85yffiPwBPz0qc1fEV1-x8Aq
- google-site-verification=HgQukENOyHOz0I3RyztBfySAhqgey5qAX-48rP94ryQ
- google-site-verification=juoUrKcJkIFS2irs-6QT-YuYseO0k9H8y3L75K-vWF0
Full email verification for gfs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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