kodningslab.dk

📜 Historical scan 2026-08-31 19:26:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kodningslab.dk is a .dk domain served by 3 nameservers (ns1.sdu.dk, ns2.sdu.dk, ns3.sdu.dk). It was registered on 28 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.156.23 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by kodningslab-dk.g-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 116ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records#

1 records 135ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.23	28800s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kodningslab-dk.g-v1.mx.microsoft	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::24 52.101.103.137 52.101.103.140 52.101.68.21 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 439ms

TXT Record
MS=ms61172306
v=spf1 include:_spf.sdu.dk -all

✉️ SPF#

Policy	Record (kodningslab.dk)
-all (hard fail)	v=spf1 include:_spf.sdu.dk -all

📨 DMARC#

Policy	Record (_dmarc.kodningslab.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 00:01:26

www	130.225.156.23 (AS1835) (address records, no CNAME)
www vs bare domain	Same network kodningslab.dk: 130.225.156.23 (AS1835) www.kodningslab.dk: 130.225.156.23 (AS1835)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 10-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 120ms

Service / Owner	Type	Cert association
SMTP _25._tcp.kodningslab-dk.g-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.kodningslab-dk.g-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.kodningslab-dk.g-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.kodningslab-dk.g-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

257ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	21697
Primary NS (MNAME)	ibgm.mgt.sdu.dk
Responsible (RNAME)	dns@sdu.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-05 02:31:21

Field	Value
Registrar	dns.services ApS
Registered	2019-08-28
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

116ms

135ms

109ms

AAAA

133ms

TXT

439ms

CAA

114ms

HTTPS

16095ms

TLSA

120ms

SOA

0ms

MTA-STS

200ms

DNSSEC

257ms

SRV

189ms

Total

17192ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 00:01:25	17057ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-12 22:41:44	17371ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 21:00:00	4392ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-10 20:43:26	6962ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-05 07:45:05	16716ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 07:33:24	17679ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 07:31:33	6616ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 20:55:16	4395ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 20:23:33	16754ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:08:36	16791ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:46:39	16712ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 19:33:24	17841ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 02:10:27	16742ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 09:25:16	19149ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 10:18:32	16871ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-06 08:11:13	19288ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-31 19:26:32 shown	17192ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 12:31:25	16782ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 22:16:10	4791ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:16:55	16609ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:17:30	9801ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-22 05:23:28	4968ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 01:02:53	9886ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-15 22:04:15	11521ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-14 06:36:06	9159ms	3 NS 1 A 1 MX	🔒 Secure