nudetnu.dk
Last scanned: 2026-07-22 04:52:11  ·  1560ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   80ms
NameserverIP addressesPTRASN / ISP
ns1.dataspecialisten.dk 2a01:4f8:13b:3146::1
94.130.138.185		 —
ns1.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.dataspecialisten.dk 2a01:4f8:c17:5f0a::2
88.99.15.5		 ns2.azehosting.net
ns2.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.236.62.147 3600s 147.62.236.23.bc.googleusercontent.com AS396982 Google LLC 23.236.48.0/20 🇺🇸 United States Council Bluffs
📧 MX Records1 records   93ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s nudetnu-dk.mail.protection.outlook.com 2a01:111:f403:ca04::4
2a01:111:f403:ca04::b
2a01:111:f403:ca09::
2a01:111:f403:ca09::7
52.101.68.0
52.101.68.16
52.101.73.26
52.101.73.28		 mail-db4pr02cu00204.inbound.protection.outlook.com
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-am3pr04cu00500.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-db4pr02cu00400.inbound.protection.outlook.com
mail-as9pr05cu01302.inbound.protection.outlook.com
mail-am7pr05cu00204.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.62.136
🔶 Autoconfig195.201.240.150
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records2 records   210ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   499ms
TXT Record
v=spf1 +a +mx +ip4:195.201.240.150 include:spf.azehosting.net +include:sendgrid.net ~all
v=spf1 +a +mx +ip4:195.201.240.150 include:spf.azehosting.net +ip4:94.130.48.100 +include:spf.protection.outlook.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (nudetnu.dk)
~all (soft fail) v=spf1 +a +mx +ip4:195.201.240.150 include:spf.azehosting.net +include:sendgrid.net ~all
-all (hard fail) v=spf1 +a +mx +ip4:195.201.240.150 include:spf.azehosting.net +ip4:94.130.48.100 +include:spf.protection.outlook.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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.nudetnu.dk SGSMM5c8OVaU2mSYWRzmRuc01PSmWZCtD3VM4ntwpf4
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC155ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026072003
Primary NS (MNAME)ns1.dataspecialisten.dk
Responsible (RNAME)hosting@dataspecialisten.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
80ms
A
77ms
MX
93ms
AAAA
78ms
TXT
499ms
CAA
78ms
HTTPS
91ms
TLSA
231ms
SOA
0ms
MTA-STS
97ms
DNSSEC
155ms
SRV
210ms
Total
1560ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-22 04:52:11 1560ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-20 08:09:18 10529ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 22:37:54 4917ms 2 NS 1 A 1 MX 🔓 Insecure View
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