cofu.dk
Last scanned: 2026-06-26 08:16:18  ·  1442ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   234ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   202ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.202.211.1 3600s — AS209242 Cloudflare London, LLC 198.202.211.0/24 🇺🇸 United States —
📧 MX Records1 records   221ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 142.251.127.26
142.251.127.27
2a00:1450:4001:c21::1a
2a00:1450:4001:c21::1b		 lcfrai-in-f26.1e100.net
lcfrai-in-f27.1e100.net
lcfrai-in-f26.1e100.net
lcfrai-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   231ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records3 records   325ms
TXT Record
facebook-domain-verification=7502pmq1b23gbv2jwan0lwef09t639
google-site-verification=MnGjNfK-dH7TckSD7BMoJAh_nYEzGTBFZgCwhylhKuQ
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (cofu.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.cofu.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc-reports@cofu.dk
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC295ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA232ms
FieldValue
Serial2026052000
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
234ms
A
202ms
MX
221ms
AAAA
183ms
TXT
325ms
CAA
177ms
HTTPS
222ms
TLSA
432ms
SOA
232ms
MTA-STS
228ms
DNSSEC
295ms
SRV
231ms
Total
1442ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 08:16:18 1442ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:43:14 1921ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:41:02 637ms 3 NS 1 A 1 MX 🔒 Secure View
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