igu.dk

📜 Historical scan 2026-06-21 16:14:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

igu.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 21 October 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.237.244.88 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by igu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.237.244.88	3600s	ec2-18-237-244-88.us-west-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.236.0.0/15	🇺🇸 United States	Boardman

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	igu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.18 52.101.68.39 52.101.68.8 52.101.73.30	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔌 SRV Records#

1 records 120ms

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

📝 TXT Records#

3 records 229ms

TXT Record
google-site-verification=ZNY3N3nRJIV-1ZkD0Z5wWrHihKmOFqAl5kkkK0WOgYM
MS=ms93613676
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (igu.dk)
-all (hard fail)	v=spf1 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#

latest probe, not this scan · checked 2026-10-09 23:43:42

www	18.237.244.88 (AS16509) (address records, no CNAME)
www vs bare domain	Same network igu.dk: 18.237.244.88 (AS16509) www.igu.dk: 18.237.244.88 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2024090502
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 15:29:05

Field	Value
Registrar	DANDOMAIN A/S
Registered	1996-10-21
Expires	2026-12-31 (69d)

📋 WHOIS#

⏱️ Lookup Timing#

101ms

53ms

29ms

AAAA

45ms

TXT

229ms

CAA

31ms

HTTPS

43ms

TLSA

404ms

SOA

50ms

MTA-STS

35ms

DNSSEC

92ms

SRV

120ms

Total

901ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:42:41	1007ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 20:49:27	767ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:14:25 shown	901ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:24:57	3599ms	2 NS 1 A 1 MX	🔒 Secure