ia.dk

📜 Historical scan 2026-09-30 11:54:07 · ← 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 54ms

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 60ms

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 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	ia-dk.d-v1.mx.microsoft	2a01:111:f403:ca04::d 2a01:111:f403:ca09::24 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::a 52.101.103.137 52.101.68.15 52.101.68.8 52.101.91.162	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.56
🔶 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 123ms

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

📝 TXT Records#

3 records 310ms

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 66ms

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#

4 records 84ms

Service / Owner	Type	Cert association
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-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
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-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC#

93ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2026042128
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 2026-10-18 23:30:56

Field	Value
Registrar	Eurodns S.A
Registered	1996-04-23
Expires	2027-06-30 (253d)

🔗 Same registrant#

17 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
co10bank.dk	Eurodns S.A
csbanken.dk	Eurodns S.A
dddfordelsbanken.dk	Eurodns S.A
dlfbank.dk	Eurodns S.A
dmbank.dk	Eurodns S.A
dtsbank.dk	Eurodns S.A
gr.dk	Eurodns S.A
gudmeraaschou.dk	Eurodns S.A
idabank.dk	Eurodns S.A
klfbank.dk	Eurodns S.A
konfliktlan.dk	Eurodns S.A
konfliktlån.dk	Eurodns S.A
ksbank.dk	Eurodns S.A
lsb.dk	Eurodns S.A
lsmi.dk	Eurodns S.A
pokobank.dk	Eurodns S.A
strakshandel.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

54ms

60ms

90ms

AAAA

78ms

TXT

310ms

CAA

66ms

HTTPS

44ms

TLSA

84ms

SOA

66ms

MTA-STS

97ms

DNSSEC

93ms

SRV

123ms

Total

1102ms

🕐 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 shown	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	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