ikasthistorie.dk DNS records

🖥️ Nameservers2 records 93ms

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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.241	600s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records4 records 57ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 283ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ikasthistorie.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 121ms

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…

🔐 DNSSEC202ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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

93ms

A

94ms

MX

57ms

AAAA

61ms

TXT

283ms

CAA

93ms

HTTPS

89ms

TLSA

121ms

SOA

0ms

MTA-STS

136ms

DNSSEC

202ms

SRV

121ms

Total

1155ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:50:14	1155ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 19:02:37	4500ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-26 20:20:01	2804ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 18:35:11	1007ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-01 12:14:44	2702ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 19:49:22	648ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 08:25:58	575ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 19:01:47	6590ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 23:19:57	2422ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 14:24:01	1277ms	2 NS 1 A 4 MX	🔒 Secure	View