skuldborg.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.221	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.12	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	91.221.196.251
🔶 Autoconfig	91.221.196.251

🔷 AAAA Records (IPv6)2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:43dd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b60c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.221,172.67.182.12 ech=AEX+DQBB6gAgACC4g2TfOX03vEevy7Ud4rk31vKn1eH2U8r/RgP61aQFYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:43dd,2606:4700:3032::ac43:b60c

📝 TXT Records1 records 222ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.skuldborg.dk)
p=reject	v=DMARC1; p=reject;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2413236619
Primary NS (MNAME)	jeff.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

37ms

MX

50ms

AAAA

58ms

TXT

222ms

CAA

40ms

HTTPS

50ms

TLSA

76ms

SOA

0ms

MTA-STS

91ms

DNSSEC

100ms

SRV

81ms

Total

636ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 12:43:14	636ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 11:08:54	861ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-15 10:02:47	2693ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 11:39:37	812ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 18:14:42	524ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 11:49:51	952ms	2 NS 2 A 0 MX	🔓 Insecure	View