gullestrupnet.dk

📜 Historical scan 2026-09-04 11:32:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gullestrupnet.dk is a .dk domain served by 2 nameservers (ns51.gullestrupnet.dk, ns52.gullestrupnet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.165.189.144 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by mail.gullestrupnet.dk, backupmail.gullestrupnet.dk. The zone is not DNSSEC-signed, 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#

2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns51.gullestrupnet.dk	82.165.189.144	gn51.gullestrupnet.dk	AS8560 IONOS SE
ns52.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.165.189.144	600s	gn51.gullestrupnet.dk	AS8560	IONOS SE	82.165.0.0/16	🇩🇪 Germany	—

📧 MX Records#

2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE
30	600s	backupmail.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	82.165.203.134
🔶 Autoconfig	82.165.189.144

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 476ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail51.gullestrupnet.dk

📝 TXT Records#

2 records 636ms

TXT Record
MS=BEA132059DF92D9A2EAA1C2380BDC32CBD948F65
v=spf1 ip4:144.76.175.153 ip4:82.165.189.144 ip4:82.165.203.134 ip4:176.223.244.50 ip4:176.223.244.74 a mx -all

✉️ SPF#

Policy	Record (gullestrupnet.dk)
-all (hard fail)	v=spf1 ip4:144.76.175.153 ip4:82.165.189.144 ip4:82.165.203.134 ip4:176.223.244.50 ip4:176.223.244.74 a mx -all

📨 DMARC#

Policy	Record (_dmarc.gullestrupnet.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 11:39:43

www	82.165.189.144 (AS8560) (address records, no CNAME)
www vs bare domain	Same network gullestrupnet.dk: 82.165.189.144 (AS8560) www.gullestrupnet.dk: 82.165.189.144 (AS8560)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2025111103
Primary NS (MNAME)	ns51.gullestrupnet.dk
Responsible (RNAME)	hostmaster@gullestrupnet.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

60ms

56ms

59ms

AAAA

49ms

TXT

636ms

CAA

45ms

HTTPS

52ms

TLSA

163ms

SOA

0ms

MTA-STS

417ms

DNSSEC

109ms

SRV

476ms

Total

1057ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:39:43	1810ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-04 11:32:30 shown	1057ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 10:49:00	1630ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 10:44:29	724ms	2 NS 1 A 2 MX	🔓 Insecure