henningskoreskole.dk DNS records

🖥️ Nameservers2 records 35ms

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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.105.86.62	600s	172-105-86-62.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.105.0.0/17	🇩🇪 Germany	Frankfurt am Main

📧 MX Records4 records 37ms

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 Records2 records 101ms

TXT Record
as=1212958792
v=spf1 a mx include:authsmtp.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (henningskoreskole.dk)
~all (soft fail)	v=spf1 a mx include:authsmtp.com include:_custspf.one.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

🔗 TLSA / DANE4 records 42ms

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…

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

35ms

A

23ms

MX

37ms

AAAA

27ms

TXT

101ms

CAA

31ms

HTTPS

40ms

TLSA

42ms

SOA

0ms

MTA-STS

39ms

DNSSEC

92ms

SRV

41ms

Total

550ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:52:36	550ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-05 00:51:01	965ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-27 23:54:22	2813ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-30 13:12:34	624ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-28 19:43:05	801ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 11:00:53	607ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 11:07:51	2864ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 16:12:27	9719ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 03:30:08	913ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:19:42	983ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 11:15:53	1047ms	2 NS 1 A 4 MX	🔒 Secure	View