Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
h2o.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 17:30:50 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.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
- 151.101.3.10
- 151.101.195.10
- 151.101.131.10
- 151.101.67.10
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns-1325.awsdns-37.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1325.awsdns-37.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-990.awsdns-59.net
ns-1325.awsdns-37.org
ns-1729.awsdns-24.co.uk
ns-477.awsdns-59.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:amazonses.com include:stspg-customer.com include:23974125.spf0.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- google-site-verification=8z_5HPU2hogXcmiDm-syxMSwT017Ej06ezR5Fa1I6ho
- google-site-verification=GIWxpKSv-MMtggk_e_XRoe6jUgZVXdtUzdO-9i4KW9w
- google-site-verification=JjtP2wEWk56gI3ot2oBPg32j2R0sEsWmY8agmeaLgS0
- google-site-verification=NUX1FjFMnZ6qi_FqZb523XmRRhAtalC3fFat8kyJSyU
- google-site-verification=YaxNbXnA_UHfIKoWOsLnZlQdbUcbjmrxm4LAHEgDI7c
- google-site-verification=fZI4i66kQkIqnncmCNBFyQUmBk8I9cPxQ81VDCLExZM
- google-site-verification=sE7pxi_9Lbray4IR1iTWoXiSR_hparLSzK197ks5Hd8
- google-site-verification=uiwuMC_OoOJGnJV6MJvgRvG8ytiLLteohE-6vVs1vjc
- status-page-domain-verification=4h7c7znsjkd6
- SPFv=spf1 include:_spf.google.com include:amazonses.com include:stspg-customer.com include:23974125.spf0.hubspotemail.net -all
- 3rin16i4d2o4h3v6cgm0gat1l
- anthropic-domain-verification-vvck3z=Oe05abTXdy1LkXGoif8EKT4VK
- atlassian-domain-verification=dmYJp7OQGUWDoDao21PC5N5KQaLuy7dkTncNYidKucWzavOQmfybxwbnBZLZ1Fx8
- google-site-verification=5mzi_jxash36oWGKR4jfk6-x1OvJ7oT_XEmWwVOW_Kw
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