nudetnu.dk

Records from scan: 2026-09-30 18:09:35 · 1331ms total · last checked 2026-10-20 08:39 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nudetnu.dk is a .dk domain served by 2 nameservers (ns1.dataspecialisten.dk, ns2.dataspecialisten.dk). It was registered on 14 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.236.62.147 is hosted by Google LLC (AS396982) in United States. Mail is handled by nudetnu-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 83ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nudetnu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::6 52.101.185.114 52.101.209.28 52.101.73.120 52.101.73.155	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152
🔶 Autoconfig	195.201.240.150

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 101ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 360ms

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)

Policy	Record (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

🧩 Web & zone#

checked 2026-10-07 19:31:32

www CNAME	www98.wixdns.net (all on wixdns.net) → 34.149.87.45 (AS396982)
www vs bare domain	Same network nudetnu.dk: 23.236.62.147 (AS396982) www.nudetnu.dk: 34.149.87.45 (AS396982)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nudetnu.dk	wF7cRP_T_bhgFwwB5LEw8S6RxSs8vQGuXpjAXjpZoZA

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

100ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

43ms

Field	Value
Serial	2026091903
Primary NS (MNAME)	ns1.dataspecialisten.dk
Responsible (RNAME)	hosting@dataspecialisten.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-08 07:05:02

Field	Value
Registrar	1API GmbH
Registered	2018-02-14
Expires	2027-02-28 (130d)

📋 WHOIS#

⏱️ Lookup Timing#

83ms

92ms

62ms

AAAA

74ms

TXT

360ms

CAA

65ms

HTTPS

44ms

TLSA

584ms

SOA

43ms

MTA-STS

103ms

DNSSEC

100ms

SRV

101ms

Total

1331ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:09:35 shown	1331ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 15:25:16	2001ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 14:04:48	10441ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-22 04:52:11	1560ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-20 08:09:18	10529ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 22:37:54	4917ms	2 NS 1 A 1 MX	🔓 Insecure