Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gtc.com.gt
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 22:56:27 UTC · ↺ Refresh
MX Hostnames
- gtc-com-gt.mail.protection.outlook.com
MX Priorities
- gtc-com-gt.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.2.26 (no PTR)
- 104.18.3.26 (no PTR)
- 2606:4700::6812:21a
- 2606:4700::6812:31a
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
mina.ns.cloudflare.com dns.cloudflare.com 2399357437 10000 2400 604800 1800
Primary NS (mname)
mina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399357437
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ryan.ns.cloudflare.com
mina.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._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
15 records- _globalsign-domain-verification=cSnCsgM6GYQ658RgDuTEt5qyblzXEQz_YjoaTDXMXd
- apple-domain-verification=xfQaBdsravaaj28W
- duo_sso_verification=4NMCuCU0idJ4WfSM09WDxAoB9yZ9JKcrGdGwsguHeWqjBUACl1QZuNUjr70GGytQ
- globalsign-domain-verification=0957e3d4cf51ad83c754a7c42a59dce7
- google-site-verification=50lU8SAK9sgcbrC-y9w1MvewZ9FWXhlI6Lxu4flXOkQ
- google-site-verification=MkA-OAuDWENXJ5XUOhwYg2c0O0uUO-nL6jrAhPsFBIY
- google-site-verification=NwKd3Xg4cq8Z4EFpzEaGkXi61DfhMeBeMUCDKAy5PSg
- google-site-verification=PAAO9yu1717OTgLc93UioCZiqv4FsLbrnJrMQTnz-wI
- knowbe4-site-verification=4c544421909fe4a33230ac27a0054d8f
- lqtbw5btpyl31fy7mgqhlr4sw9b3kgrp
- q5hw3l9s3ydb28gz8c9vcnjn9f9z4x8f
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- MDAyMzg0NjdndGMuY29t
- MS=ms80222816
- _ald4qemmhsrzow22hks1d69yx18lrgg
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