slyngeskolen.dk DNS records

🖥️ Nameservers2 records 33ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.179	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8098:5409:34be:1a9b	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 164ms

TXT Record
pinterest-site-verification=86faeb1fe10e588bfaaceb55d8a8f3a7
v=spf1 include:_custspf.one.com include:_spf.simplero.com ~all
v=spf1 include:sendgrid.net ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (slyngeskolen.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:_spf.simplero.com ~all
~all (soft fail)	v=spf1 include:sendgrid.net ~all

📨 DMARC

Policy	Record (_dmarc.slyngeskolen.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+m6gmpv25o8w@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 66ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081802
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

33ms

A

38ms

MX

38ms

AAAA

39ms

TXT

164ms

CAA

33ms

HTTPS

39ms

TLSA

66ms

SOA

0ms

MTA-STS

60ms

DNSSEC

75ms

SRV

62ms

Total

660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 22:37:57	660ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 16:01:07	2315ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-10 01:18:31	3777ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 19:38:04	1561ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-30 17:22:43	709ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 10:52:30	649ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 13:31:24	821ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 10:22:19	1202ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 13:34:57	772ms	2 NS 1 A 4 MX	🔒 Secure	View