koreskole3100.dk DNS records

🖥️ Nameservers4 records 173ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dk	2001:41d0:701:1100::7ec7 57.129.78.20	vps-1448e198.vps.ovh.net vps-1448e198.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS
ns2.dk	212.95.58.14 2a00:c98:400f:104:1c00:a8ff:fe00:2ac	ns2.dnscluster.dk ns2.dnscluster.dk	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH
ns3.dk	213.184.84.70 2a09:3a00:4070::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dk	2a06:a005:16d0:45::a 45.140.220.10	ns4.dnscluster.dk ns4.dnscluster.dk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd

🌍 A Records1 records 173ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.65	60s	linux20.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records2 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	pmg1.h4r.eu	2a01:4f8:c012:7e77::1 49.12.11.203	pmg1.h4r.eu filter02.h4r.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	60s	pmg2.h4r.eu	2001:41d0:701:1100::a6bc 57.129.66.76	filter04.h4r.eu filter04.h4r.eu	AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.184.85.15
🔶 Autoconfig	213.184.85.15

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 414ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records2 records 799ms

TXT Record
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net +mx +a +ip4:51.195.4.80 +ip4:151.80.20.123 +ip4:193.70.100.196 +include:spf.mandrillapp.com ~all

✉️ SPF

Policy	Record (koreskole3100.dk)
~all (soft fail)	v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net +mx +a +ip4:51.195.4.80 +ip4:151.80.20.123 +ip4:193.70.100.196 +include:spf.mandrillapp.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.koreskole3100.dk	OgdRV6rgJXuhW4n6z9ae4BIpMDRPNLV0kcz9Wmn4u7o

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC2077ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081807
Primary NS (MNAME)	ns1.dk
Responsible (RNAME)	server@hosting4real.com
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

173ms

A

173ms

MX

66ms

AAAA

45ms

TXT

799ms

CAA

170ms

HTTPS

61ms

TLSA

100ms

SOA

0ms

MTA-STS

71ms

DNSSEC

2077ms

SRV

414ms

Total

2617ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:41:49	2617ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-18 18:29:09	5308ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-06 02:51:54	1616ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 03:21:03	2601ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 20:32:11	1101ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 09:31:58	811ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-23 04:06:11	882ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 01:02:45	1023ms	4 NS 1 A 2 MX	🔓 Insecure	View