hrskole.dk DNS records

🖥️ Nameservers2 records 87ms

Nameserver	IP addresses	PTR	ASN / ISP
desiree.ns.cloudflare.com	108.162.194.13 162.159.38.13 172.64.34.13 2606:4700:50::a29f:260d 2803:f800:50::6ca2:c20d 2a06:98c1:50::ac40:220d	desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ezra.ns.cloudflare.com	108.162.195.15 162.159.44.15 172.64.35.15 2606:4700:58::a29f:2c0f 2803:f800:50::6ca2:c30f 2a06:98c1:50::ac40:230f	ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 109ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.190	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.220.27	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx10.skolekom.dk	—	—	—
20	300s	mx20.skolekom.dk	—	—	—
30	300s	mx30.skolekom.dk	—	—	—
40	300s	mx40.skolekom.dk	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.24.190
🔶 Autoconfig	104.21.24.190

🔷 AAAA Records (IPv6)2 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:dc1b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:18be	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 91ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.190,172.67.220.27 ech=AEX+DQBBfwAgACBjibDbJlg4rWyEPSw08YLojJxxB1kBIuSoORmGo4mkHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:dc1b,2606:4700:3036::6815:18be

📝 TXT Records1 records 394ms

TXT Record
v=spf1 include:spf.simply.com ~all

✉️ SPF

Policy	Record (hrskole.dk)
~all (soft fail)	v=spf1 include:spf.simply.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.hrskole.dk	5fw6fe3V5owPnHYWHFk-NMDzlWlNx4jRnMmcgdYa8hE

🔗 TLSA / DANE

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

🔐 DNSSEC293ms

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	2413530145
Primary NS (MNAME)	desiree.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

87ms

A

109ms

MX

82ms

AAAA

108ms

TXT

394ms

CAA

88ms

HTTPS

91ms

TLSA

205ms

SOA

0ms

MTA-STS

158ms

DNSSEC

293ms

SRV

194ms

Total

1406ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 20:05:14	1406ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-29 10:01:11	1509ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-14 21:53:06	3488ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-03 09:11:20	1602ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-27 04:44:08	1593ms	4 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 03:58:35	2358ms	4 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 00:21:03	803ms	4 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 09:13:42	455ms	4 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 15:03:39	272ms	0 NS 0 A 0 MX	❓ Unknown	View