valskoler.dk DNS records

🖥️ Nameservers4 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-a.eurodns.com	199.167.66.106 2610:1c8:b002::106	ns-a.eurodns.com ns-a.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns-b.eurodns.org	104.37.178.106 2610:1c8:b001::106	ns-b.eurodns.org ns-b.eurodns.org	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns-c.eurodns.eu	192.174.68.110 2001:67c:1bc::110	ns-c.eurodns.org ns-c.eurodns.org	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns-d.eurodns.biz	176.97.158.110 2001:67c:10b8::110	ns-d.eurodns.biz ns-d.eurodns.biz	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.48.138.109	3600s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 111ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	2	5061	federation.messenger.msn.com

📝 TXT Records1 records 278ms

TXT Record
v=spf1 ip4:82.192.160.195 include:spf.protection.outlook.com include:spf.topdesk.net include:_spf.centerasecurity.dk -all

✉️ SPF

Policy	Record (valskoler.dk)
-all (hard fail)	v=spf1 ip4:82.192.160.195 include:spf.protection.outlook.com include:spf.topdesk.net include:_spf.centerasecurity.dk -all

📨 DMARC

Policy	Record (_dmarc.valskoler.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:1of35aav@ag.eu.dmarcadvisor.com, mailto:64214c8557232@dmarc.centerasecurity.com;

📬 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 / DANE6 records 89ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026020336
Primary NS (MNAME)	ns-a.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-08-18 09:07:08

Field	Value
Registrar	Eurodns S.A
Registered	2005-11-29
Expires	2026-11-30 (87d)

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

46ms

MX

56ms

AAAA

71ms

TXT

278ms

CAA

265ms

HTTPS

63ms

TLSA

89ms

SOA

0ms

MTA-STS

87ms

DNSSEC

94ms

SRV

111ms

Total

3545ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 03:19:54	3545ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-19 09:08:52	1835ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-18 09:06:36	4550ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-05 21:02:17	1686ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 07:54:40	3941ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-14 17:50:49	10394ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-12 13:45:20	1473ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 15:38:18	840ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 07:14:33	1338ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 13:41:33	4396ms	4 NS 1 A 3 MX	🔒 Secure	View