supertab.co

Valid Email Server
Domain Lookup › supertab.co

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
supertab.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 07:03:44 UTC · ↺ Refresh

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MX Hostnames

  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 198.202.211.1

Mail Server IPs

  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.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

SOA Record

Raw SOA ns-818.awsdns-38.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-818.awsdns-38.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-12.awsdns-01.com
ns-1863.awsdns-40.co.uk
ns-818.awsdns-38.net
ns-1078.awsdns-06.org

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:sendgrid.net include:2204147.spf04.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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

10 records
  • google-site-verification=Hv9J7d7SRe2I-M-SNTL5Ud0U-vRW4doEKiXS7Mkqeiw
  • google-site-verification=msoVbnc4CG1YBfvYoI3JMmqHmBL-p6o8tSl1zR00Qp4
  • hcp-domain-verification=396a7f47b869e51fe458c6e89ec6bceaac9995bc38c6c4dfc1724d4d5d349137
  • qtgrpbzd5c
  • stripe-verification=3bc45340d6a579f279dae574fd8c5349e773618ccc72484a5ca7bf091c9e258a
  • stripe-verification=6BA8522BFC6FB23E80C1D2F67EDAF2BC03EABA7DAC8CC0269837E81807A19318
  • stripe-verification=86F396969D6BFBACE3D8D7C361F463E3AB6D1F24CDE6006732B2E89FEE6C1246
  • stripe-verification=8F2708985A6DB79A153C0CD98AC2920E57E7E59D7CF3121BDBF38C84258D8777
  • SPFv=spf1 mx include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:sendgrid.net include:2204147.spf04.hubspotemail.net ~all
  • google-site-verification=FY4Pl-4OCfJmVZyFLzIF0taM6VLLs73YzpQWcIieDDg
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