sjt.dk DNS records

🖥️ Nameservers4 records 178ms

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 126ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.85.16	59s	nlcp07.hosting4real.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records2 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	sjt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca09::8 2a01:111:f403:ca38::8 52.101.68.5 52.101.73.1 52.101.73.145 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
20	60s	nlcp07.hosting4real.net	213.184.85.16	nlcp07.hosting4real.net	AS59795 PerfGrid

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	213.184.85.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 479ms

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

📝 TXT Records1 records 841ms

TXT Record
v=spf1 +a +mx +ip4:213.184.85.16 include:spf-record.net +include:_relayspf.hosting4real.net +include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sjt.dk)
-all (hard fail)	v=spf1 +a +mx +ip4:213.184.85.16 include:spf-record.net +include:_relayspf.hosting4real.net +include:spf.protection.outlook.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.sjt.dk	xv4QGJFymC4FbQrPNI2MKzY0s43GfgaxV6FMqUhc6P0

🔗 TLSA / DANE

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

🔐 DNSSEC222ms

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	2026080201
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

178ms

A

126ms

MX

57ms

AAAA

66ms

TXT

841ms

CAA

72ms

HTTPS

103ms

TLSA

604ms

SOA

0ms

MTA-STS

219ms

DNSSEC

222ms

SRV

479ms

Total

2061ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:46:27	2061ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-16 19:21:29	1840ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-03 02:15:53	3738ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-28 15:18:34	1485ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-23 17:46:16	1148ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-22 14:23:46	1138ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:02:33	1793ms	4 NS 1 A 2 MX	🔓 Insecure	View