nodebibliotek.dk
📜 Historical scan 2026-06-17 13:34:11  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   224ms
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   225ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.109.9 — nt6.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   226ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   536ms
TXT Record
v=spf1 a mx include:spf.simply.com ~all
✉️ SPF
PolicyRecord (nodebibliotek.dk)
~all (soft fail) v=spf1 a mx include:spf.simply.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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 / DANE2 records   187ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC426ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA232ms
FieldValue
Serial2025042300
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
224ms
A
225ms
MX
226ms
AAAA
214ms
TXT
536ms
CAA
213ms
HTTPS
234ms
TLSA
187ms
SOA
232ms
MTA-STS
69ms
DNSSEC
426ms
SRV
0ms
Total
2096ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 17:03:47 657ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-26 20:08:21 672ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 01:09:13 563ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-19 22:52:54 726ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:34:11 2096ms 4 NS 1 A 1 MX 🔒 Secure View
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