præstborg.dk xn--prstborg-k0a.dk

📜 Historical scan 2026-06-24 16:47:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

præstborg.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 23 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed but currently fails validation, 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 47ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.100	3600s	vm1176.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	185.21.40.100
🔶 Autoconfig	185.21.40.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 116ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.præstborg.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-08 12:38:15

www	185.21.40.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network præstborg.dk: 185.21.40.100 (AS48854) www.præstborg.dk: 185.21.40.100 (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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

41ms

Field	Value
Serial	2025032401
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 2026-10-10 10:06:06

Field	Value
Registrar	CURANET A/S
Registered	2013-03-23
Expires	2028-03-31 (525d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

50ms

33ms

AAAA

35ms

TXT

116ms

CAA

30ms

HTTPS

42ms

TLSA

26ms

SOA

41ms

MTA-STS

42ms

DNSSEC

106ms

SRV

54ms

Total

411ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 06:57:04	621ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-04 14:24:48	2608ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-24 16:47:33 shown	411ms	2 NS 1 A 0 MX	⚠️ Bogus
2026-06-21 18:20:49	331ms	0 NS 0 A 0 MX	🔒 Secure
2026-06-18 08:00:57	581ms	2 NS 1 A 0 MX	🔒 Secure