sjt.dk

📜 Historical scan 2026-08-03 02:15:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sjt.dk is a .dk domain served by 4 nameservers (ns1.dk, ns2.dk, ns3.dk and 1 more). It was registered on 25 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.16 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by sjt-dk.mail.protection.outlook.com, nlcp07.hosting4real.net. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 147ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dk	2001:df7:1d81:18::a 45.139.227.68	undefined.hostname.localhost 68.227.139.45.speedyvps.uk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd
ns2.dk	167.86.80.173 2a02:c207:2062:2513::1	vmi622513.contaboserver.net vmi622513.contaboserver.net	AS51167 Contabo GmbH AS51167 Contabo GmbH
ns3.dk	213.184.84.71 2a09:3a00:4071::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dk	2a01:4f8:c012:e6d6::1 49.12.71.195	— static.195.71.12.49.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 143ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.85.16	60s	nlcp07.hosting4real.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records#

2 records 150ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	sjt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 52.101.68.8 52.101.73.26 52.101.73.28 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24
🔶 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 Records#

1 records 248ms

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

📝 TXT Records#

1 records 499ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 03:07:33

www	213.184.85.16 (AS59795) (address records, no CNAME)
www vs bare domain	Same network sjt.dk: 213.184.85.16 (AS59795) www.sjt.dk: 213.184.85.16 (AS59795)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔏 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)

🔐 DNSSEC#

262ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-13 11:32:28

Field	Value
Registrar	DANDOMAIN A/S
Registered	2012-04-25
Expires	2027-04-30 (193d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

147ms

143ms

150ms

AAAA

207ms

TXT

499ms

CAA

209ms

HTTPS

130ms

TLSA

644ms

SOA

0ms

MTA-STS

170ms

DNSSEC

262ms

SRV

248ms

Total

3738ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 09:10:23	1377ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-28 08:38:36	1884ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-15 19:06:05	10203ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-26 16:46:27	2061ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-16 19:21:29	1840ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-03 02:15:53 shown	3738ms	4 NS 1 A 2 MX	🔓 Insecure
2026-07-28 15:18:34	1485ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-23 17:46:16	1148ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-22 14:23:46	1138ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:02:33	1793ms	4 NS 1 A 2 MX	🔓 Insecure