skolecomputer.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 8061ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3593s	—	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records4 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 1255ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (skolecomputer.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.skolecomputer.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 / DANE4 records 16038ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC1364ms

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	2026081906
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

8061ms

MX

62ms

AAAA

59ms

TXT

1255ms

CAA

68ms

HTTPS

72ms

TLSA

16038ms

SOA

0ms

MTA-STS

70ms

DNSSEC

1364ms

SRV

131ms

Total

32809ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:16:43	1226ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-20 01:58:52	32809ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-30 22:32:42	899ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-29 06:42:04	1157ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-29 22:27:36	851ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-19 22:56:56	2734ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-17 12:58:03	5258ms	2 NS 1 A 4 MX	🔓 Insecure	View