cjark.dk DNS records

🖥️ Nameservers3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.59	3600s	linux383.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cjark-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::b 52.101.73.155 52.101.73.16 52.101.73.24 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	185.20.205.59

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 70ms

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

📝 TXT Records2 records 164ms

TXT Record
MS=ms44468066
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

Policy	Record (cjark.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.cjark.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 / DANE

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

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

46ms

MX

55ms

AAAA

60ms

TXT

164ms

CAA

52ms

HTTPS

45ms

TLSA

626ms

SOA

0ms

MTA-STS

48ms

DNSSEC

91ms

SRV

70ms

Total

1187ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:20:54	1187ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 00:41:07	865ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 17:11:38	1151ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 21:46:55	1147ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 09:46:52	1147ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 05:23:10	1185ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:35:41	947ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 22:18:26	3456ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:16:28	59117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:08:06	2315ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:02:57	4520ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:00:45	1692ms	3 NS 1 A 1 MX	🔒 Secure	View