10-klassecenteret.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.vordbkom.dk	131.165.202.1	ns.vordbkom.dk	AS6834 KMD A/S
ns.vordbskoler.dk	5.56.147.154	—	AS31027 GlobalConnect A/S

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.56.147.142	900s	—	AS31027	GlobalConnect A/S	5.56.144.0/20	🇩🇰 Denmark	Karlslunde

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.56.147.142
🔶 Autoconfig	5.56.147.142

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 297ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (10-klassecenteret.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.10-klassecenteret.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:60f69872d8c04@dmarc.centerasecurity.com;

📬 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)

🔐 DNSSEC73ms

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

🏷️ SOA0ms

Field	Value
Serial	20130761
Primary NS (MNAME)	ns.vordbkom.dk
Responsible (RNAME)	hostmaster
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

52ms

MX

59ms

AAAA

52ms

TXT

297ms

CAA

58ms

HTTPS

56ms

TLSA

116ms

SOA

0ms

MTA-STS

96ms

DNSSEC

73ms

SRV

95ms

Total

677ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 03:59:07	677ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 12:26:18	1250ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 04:36:04	912ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 09:51:01	4336ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 04:27:30	4028ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 21:48:35	3105ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 14:47:10	680ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 02:04:21	2518ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 04:15:05	1245ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 18:47:21	731ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-01 02:04:37	8635ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 08:29:46	858ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 08:03:37	710ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-19 16:10:12	629ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-17 12:54:19	647ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 05:06:15	9504ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-09 06:02:38	1213ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 10:26:04	2724ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-30 16:37:12	583ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-28 08:20:58	620ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-22 12:29:35	562ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 03:48:56	623ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 00:51:55	614ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-16 12:33:46	2803ms	2 NS 1 A 0 MX	🔒 Secure	View