ck-teknik.dk DNS records

🖥️ Nameservers3 records 32ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.83	2381s	linux33.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ckteknik-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.36 52.101.73.15 52.101.73.19 52.101.73.4	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 137ms

TXT Record
MS=ms83476899
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ck-teknik.dk)
-all (hard fail)	v=spf1 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

🔗 TLSA / DANE

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

🔐 DNSSEC55ms

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

🏷️ SOA29ms

Field	Value
Serial	2025110302
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

32ms

A

34ms

MX

31ms

AAAA

31ms

TXT

137ms

CAA

33ms

HTTPS

31ms

TLSA

480ms

SOA

29ms

MTA-STS

29ms

DNSSEC

55ms

SRV

51ms

Total

1104ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 05:41:48	1104ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 23:35:30	508ms	3 NS 1 A 0 MX	🔓 Insecure	View
2026-06-24 03:41:46	1139ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 19:46:47	918ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 16:16:08	970ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:38:50	65535ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:21:46	1803ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:08:26	592ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:01:33	643ms	3 NS 1 A 1 MX	🔓 Insecure	View