thesingingva.com

Valid Email Server
Domain Lookup › thesingingva.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thesingingva.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 11:31:24 UTC · ↺ Refresh

MX Hostnames

  • SMTP.GOOGLE.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 185.194.90.28 ↩ s91.lon.krystal.io

Mail Server IPs

  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net

SOA Record

Raw SOA ns1.krystal.io admin.demo.s91.lon.krystal.io 2026031601 3600 1800 1209600 86400
Primary NS (mname)
ns1.krystal.io
Admin Email (rname)
admin@demo.s91.lon.krystal.io
Serial
2026031601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.krystal.io
ns4.krystal.io
ns1.krystal.io
ns3.krystal.io

SPF Record

✓ Soft Fail (~all)
v=spf1 include:relay.k.io ip4:185.194.90.28 mx a ip4:68.66.248.20 include:eu-sender.zohobooks.com include:_spf.google.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • pinterest-site-verification=80430aa22ff1c027627bc9c2fbabdb26
  • ml._domainkey.thesingingva.com
  • google-site-verification=iog0S0MKh4daQurAjTHpzsmU8UdS4c1n87T0ta9fFww
  • SPFv=spf1 include:relay.k.io ip4:185.194.90.28 mx a ip4:68.66.248.20 include:eu-sender.zohobooks.com include:_spf.google.com ~all
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