sejergaardsskolen.dk DNS records

🖥️ Nameservers2 records 57ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.74	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frontmta.hostedsepo.dk	92.43.124.44	—	AS44398 Itm8 A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	46.30.215.74

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:52:2a86:66e3:8afe	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

🔌 SRV Records1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 210ms

TXT Record
v=spf1 mx a ip4:5.56.150.18 ip4:5.56.150.20 ip4:83.136.91.38 ip4:89.221.167.1/24 include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.defgo.com include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (sejergaardsskolen.dk)
-all (hard fail)	v=spf1 mx a ip4:5.56.150.18 ip4:5.56.150.20 ip4:83.136.91.38 ip4:89.221.167.1/24 include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.defgo.com include:web.shared.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.sejergaardsskolen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-feedback@educant.dk; aspf=r

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 53ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	rapidssl.com

🔗 TLSA / DANE2 records 2069ms

Service / Owner	Type	Cert association
SMTP _25._tcp.frontmta.hostedsepo.dk	DANE-TA · SPKI · SHA-256	1E20888F63520C235F8E61FDEA725CCE…
SMTP _25._tcp.frontmta.hostedsepo.dk	DANE-EE · SPKI · SHA-256	F6EC319A6D18F16926CF1DC9D5AFACBE…

🔐 DNSSEC76ms

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

🏷️ SOA51ms

Field	Value
Serial	2026080602
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

57ms

A

43ms

MX

42ms

AAAA

45ms

TXT

210ms

CAA

53ms

HTTPS

66ms

TLSA

2069ms

SOA

51ms

MTA-STS

59ms

DNSSEC

76ms

SRV

87ms

Total

8777ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-16 20:51:59	8777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 00:55:36	4570ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 05:44:55	4946ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 09:19:35	972ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 19:57:51	678ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:02:25	1023ms	2 NS 1 A 1 MX	🔒 Secure	View