slagelse-gym.dk DNS records

🖥️ Nameservers4 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.7.39	300s	nhllin24.nhl-data.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Frederiksberg

📧 MX Records3 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1754s	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	1754s	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	1754s	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 → 40.99.204.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 8082ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 299ms

TXT Record
19t7aifois0aos0ane2msjutnr
apple-domain-verification=pnGAOPwSmfaqenDy
google-site-verification=qhN969qnOnN5grcG5E30Gi1To-jJAE7-w1HXQjXIAnk
inst=Slagelse Gymnasium
uvmid=333013
v=msv1 t=dc6786dfe2958e4eb28053a29a2027
v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:185.105.183.2 -all

✉️ SPF

Policy	Record (slagelse-gym.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:185.105.183.2 -all

📨 DMARC

Policy	Record (_dmarc.slagelse-gym.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:663b6df94f3f4@dmarc-dk.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 119ms

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

🔐 DNSSEC176ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

65ms

A

64ms

MX

81ms

AAAA

86ms

TXT

299ms

CAA

58ms

HTTPS

58ms

TLSA

119ms

SOA

0ms

MTA-STS

106ms

DNSSEC

176ms

SRV

8082ms

Total

10168ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 06:32:46	10168ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-02 11:54:39	9425ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-16 08:03:40	9743ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-03 04:23:18	10022ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 04:23:07	10184ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-19 07:33:31	1161ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 04:13:45	1010ms	4 NS 1 A 3 MX	🔒 Secure	View