Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
monterrey.gob.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:22:03 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- smtp.monterrey.gob.mx
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 4
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- smtp.monterrey.gob.mx: 1
- alt3.aspmx.l.google.com: 20
- alt4.aspmx.l.google.com: 20
A / AAAA Records
- 104.21.10.229 (no PTR)
- 172.67.146.243
- 2606:4700:3034::6815:ae5
- 2606:4700:3031::ac43:92f3
Mail Server IPs
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 201.148.81.47 ↩ email.monterrey.gob.mx
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
achiel.ns.cloudflare.com dns.cloudflare.com 2399521030 10000 2400 604800 1800
Primary NS (mname)
achiel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399521030
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
achiel.ns.cloudflare.com
rosemary.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +ip4:132.248.172.198 +ip4:201.148.81.47 +ip4:201.148.81.43 +ip4:201.148.81.44 +ip4:35.224.95.169 +ip4:189.204.138.178 +ip4:34.68.218.64 +ip4:35.202.14.48 include:_spf.firebasemail.com include:_spf.google.com include:_spf.gmail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
14 records- in69olen8p88b7i1ij8512hr4c
- l4lc34vp349njj22ev7g0lgh40
- ma722kaotle7icv966agqvth02
- mvhvg6tlkboquocsk0g9egkld5
- n47phuuoircgg9bn701pls3v52
- pd2ualb7kqlql3a0vp6p3rudvi
- rlckfknjgesrs8jt0c30qfq0so
- SPFv=spf1 +mx +ip4:132.248.172.198 +ip4:201.148.81.47 +ip4:201.148.81.43 +ip4:201.148.81.44 +ip4:35.224.95.169 +ip4:189.204.138.178 +ip4:34.68.218.64 +ip4:35.202.14.48 include:_spf.firebasemail.com include:_spf.google.com include:_spf.gmail.com -all
- e5vlkd31506ickk5jjapq3jmk1
- f6osi7e1hjgos3uglecmgnim0g
- facebook-domain-verification=mkc5nzdohaiu9b2teznnwf19i3rnls
- firebase=id-mty
- google-site-verification=p4QEXbe9TzWxr7JDMK9BJgy-k1XUaZ6N7B08ggFq0a4
- htcdchnk7bkmepsgpf6tcaqnq3
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