ia.dk

📜 Historical scan 2026-08-12 05:32:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ia.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.254 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ia-dk.d-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#

4 records 175ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 182ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.254	7200s	linux32.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 201ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	ia-dk.d-v1.mx.microsoft	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 52.101.68.16 52.101.68.5 52.101.73.11 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.40
🔶 Autoconfig	185.21.41.254

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 278ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 480ms

TXT Record
MS=ms78279949
tkR1GotXjU5D3zxR/3HEI4yn/1ZQsIxEJNpLjKRAZtg=
v=spf1 ip4:193.162.109.0/24 include:spf.protection.outlook.com ip4:185.31.77.87 ip4:2.109.32.60 include:spf.emailsignatures365.com -all

✉️ SPF#

Policy	Record (ia.dk)
-all (hard fail)	v=spf1 ip4:193.162.109.0/24 include:spf.protection.outlook.com ip4:185.31.77.87 ip4:2.109.32.60 include:spf.emailsignatures365.com -all

📨 DMARC#

Policy	Record (_dmarc.ia.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:tmzqytok@ag.eu.dmarcadvisor.com; ruf=mailto:tmzqytok@fr.eu.dmarcadvisor.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

4 records 157ms

Flags	Tag	Value
0	issue	globalsign.com
0	issue	letsencrypt.org
0	issuewild	globalsign.com
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 15:16:38

www	185.21.41.254 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ia.dk: 185.21.41.254 (AS48854) www.ia.dk: 185.21.41.254 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

10 records 112ms

Service / Owner	Type	Cert association
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.ia-dk.d-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

296ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026042122
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 12:37:15

Field	Value
Registrar	Eurodns S.A
Registered	1996-04-23
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

175ms

182ms

201ms

AAAA

179ms

TXT

480ms

CAA

157ms

HTTPS

191ms

TLSA

112ms

SOA

0ms

MTA-STS

247ms

DNSSEC

296ms

SRV

278ms

Total

2226ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:16:38	603ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-06 14:39:00	2380ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-05 12:12:23	2036ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 12:04:09	718ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:54:07	1102ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 17:30:00	932ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 21:14:22	1268ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-30 05:04:31	2219ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 18:39:18	891ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:02:24	3017ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:47:17	957ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 03:42:59	842ms	3 NS 2 A 0 MX	🔒 Secure
2026-08-12 05:32:35 shown	2226ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-10 08:44:31	3434ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-08 13:34:57	3690ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-24 06:19:30	1205ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-23 06:12:06	1281ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-06 13:21:43	2980ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-04 20:30:52	4127ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:23:00	933ms	4 NS 1 A 1 MX	🔒 Secure