esbjergskoler.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com	108.162.195.37 162.159.44.37 172.64.35.37 2606:4700:58::a29f:2c25 2803:f800:50::6ca2:c325 2a06:98c1:50::ac40:2325	mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.28.109	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.29.109	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1c6d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:1d6d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.28.109,104.18.29.109 ipv6hint=2606:4700::6812:1c6d,2606:4700::6812:1d6d

📝 TXT Records1 records 202ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

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

🔗 TLSA / DANE

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

🔐 DNSSEC72ms

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

🏷️ SOA0ms

Field	Value
Serial	2412879994
Primary NS (MNAME)	brit.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

30ms

A

46ms

MX

59ms

AAAA

46ms

TXT

202ms

CAA

35ms

HTTPS

34ms

TLSA

62ms

SOA

0ms

MTA-STS

58ms

DNSSEC

72ms

SRV

68ms

Total

577ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:46:33	577ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-23 06:59:35	1091ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-13 17:35:16	16839ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-12 12:37:47	3430ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-06 01:07:02	1363ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 14:31:18	901ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-08 15:01:57	1220ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-23 23:44:01	734ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 08:26:54	427ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 08:20:09	563ms	2 NS 2 A 0 MX	🔒 Secure	View