c2danmark.dk
📜 Historical scan 2026-06-21 11:51:50  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   74ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.38.12 3600s — AS48854 team.blue Denmark A/S 193.8.38.0/24 🇩🇰 Denmark —
📧 MX Records2 records   70ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
10 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover193.8.38.12
🔶 Autoconfig193.8.38.12
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   329ms
TXT Record
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:sendgrid.net ip4:193.8.36.0/22 -all
✉️ SPF
PolicyRecord (c2danmark.dk)
-all (hard fail) v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:sendgrid.net ip4:193.8.36.0/22 -all
📨 DMARC
PolicyRecord (_dmarc.c2danmark.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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)
🔐 DNSSEC189ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA70ms
FieldValue
Serial2025101402
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
74ms
A
74ms
MX
70ms
AAAA
66ms
TXT
329ms
CAA
74ms
HTTPS
89ms
TLSA
107ms
SOA
70ms
MTA-STS
75ms
DNSSEC
189ms
SRV
138ms
Total
792ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-09 05:43:04 1242ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-24 04:19:39 3564ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-23 16:38:43 1173ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 11:51:50 792ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-21 10:28:50 1128ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 21:11:48 1784ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-16 18:47:37 1513ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-16 18:40:36 2532ms 4 NS 1 A 2 MX 🔒 Secure View
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