gudenaa.dk

Records from scan: 2026-10-01 00:58:40 · 685ms total · last checked 2026-10-17 00:14 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gudenaa.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 16 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.43.15 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed and validates, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.43.15	3600s	linux15.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 212.237.249.80

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 155ms

TXT Record
v=spf1 include:spf.scannet.dk ?all

✉️ SPF#

Policy	Record (gudenaa.dk)
?all (neutral)	v=spf1 include:spf.scannet.dk ?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 2026-10-11 15:06:57

www	185.21.43.15 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gudenaa.dk: 185.21.43.15 (AS48854) www.gudenaa.dk: 185.21.43.15 (AS48854)
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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

1 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

77ms

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

🏷️ SOA#

62ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 15:20:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-16
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

35ms

36ms

AAAA

35ms

TXT

155ms

CAA

35ms

HTTPS

46ms

TLSA

55ms

SOA

62ms

MTA-STS

58ms

DNSSEC

77ms

SRV

62ms

Total

685ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:58:40 shown	685ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:19:39	744ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 08:13:09	696ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:39:16	1168ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:08:34	2345ms	2 NS 1 A 1 MX	🔒 Secure