frbung.dk

Records from scan: 2026-09-26 12:03:02 · 494ms total · last checked 2026-10-16 12:25 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frbung.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.55 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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#

2 records 39ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.55	3600s	vm1251.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	frbung.dk → 185.21.40.55
🔶 Autoconfig	frbung.dk → 185.21.40.55

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.frbung.dk)
p=reject	v=DMARC1; p=reject; ri=86400

📬 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 06:49:09

www CNAME	frbung.dk (all on frbung.dk) → 185.21.40.55 (AS48854)
www vs bare domain	Same network frbung.dk: 185.21.40.55 (AS48854) www.frbung.dk: 185.21.40.55 (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: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.frbung.dk	frbung.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025111001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 13:59:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-09-04
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

25ms

63ms

AAAA

38ms

TXT

150ms

CAA

38ms

HTTPS

54ms

TLSA

33ms

SOA

0ms

MTA-STS

60ms

DNSSEC

95ms

SRV

52ms

Total

494ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 12:03:02 shown	494ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-28 05:24:12	568ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-27 05:18:04	732ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-02 00:08:08	592ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 09:46:20	556ms	2 NS 1 A 0 MX	🔒 Secure