gudi.dk

📜 Historical scan 2026-06-25 11:53:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gudi.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.247 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 270ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 257ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.247	300s	linux6.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 264ms

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	185.21.40.247
🔶 Autoconfig	185.21.40.247

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 558ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (gudi.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.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#

latest probe, not this scan · checked 2026-10-09 08:08:13

www	185.21.40.247 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gudi.dk: 185.21.40.247 (AS48854) www.gudi.dk: 185.21.40.247 (AS48854)
Wildcard	Yes: any name under the zone resolves
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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 186ms

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

🔐 DNSSEC#

481ms

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

🏷️ SOA#

173ms

Field	Value
Serial	2024020601
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 12:12:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-11
Expires	2027-03-31 (162d)

🔗 Same registrant#

1 domain

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
diksen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

270ms

257ms

264ms

AAAA

299ms

TXT

558ms

CAA

269ms

HTTPS

229ms

TLSA

186ms

SOA

173ms

MTA-STS

254ms

DNSSEC

481ms

SRV

332ms

Total

2833ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 05:59:27	461ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 15:15:40	524ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 08:08:36	591ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 10:01:53	6454ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 08:26:37	33085ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 11:53:07 shown	2833ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 05:43:37	960ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:46:45	1118ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:40:30	697ms	2 NS 1 A 1 MX	🔒 Secure