gnub.dk

Records from scan: 2026-10-12 22:44:24 · 2614ms total · last checked 2026-10-17 08:10 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gnub.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 30 July 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hackeruniverse.dk. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	hackeruniverse.dk	2a01:488:66:1000:5c33:957c:0:1 92.51.149.124	hackeruniverse.dk hackeruniverse.dk	AS20773 Host Europe GmbH AS8972 Host Europe GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 265ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (gnub.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.gnub.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-12 22:44:25

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gnub.dk: 94.231.103.100 (AS48854) www.gnub.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

200ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 05:18:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-07-30
Expires	2030-07-31 (1382d)

📋 WHOIS#

⏱️ Lookup Timing#

113ms

67ms

107ms

AAAA

100ms

TXT

265ms

CAA

67ms

HTTPS

98ms

TLSA

150ms

SOA

59ms

MTA-STS

139ms

DNSSEC

200ms

SRV

126ms

Total

2614ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:44:24 shown	2614ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 12:45:36	565ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:00:19	700ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-29 13:26:05	786ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 19:02:38	866ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:00:22	720ms	4 NS 1 A 1 MX	🔒 Secure