jkbk.dk DNS records

🖥️ Nameservers3 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S
ns1.jkkn.dk	2a05:f6c7:3713::3 80.210.78.144	gw.netsense.dk gw.netsense.dk	AS203953 Hiper A/S AS203953 Hiper A/S

🌍 A Records1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.210.78.144	43200s	gw.netsense.dk	AS203953	Hiper A/S	80.210.64.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	smtp.jkkn.net	2a05:f6c7:3713::3 80.210.78.144	gw.netsense.dk gw.netsense.dk	AS203953 Hiper A/S AS203953 Hiper A/S

🔷 AAAA Records (IPv6)1 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:f6c7:3713::3	43200s	gw.netsense.dk	AS203953	Hiper A/S	2a05:f6c0:0:0:0:0:0:0/29	🇩🇰 Denmark	Vedbæk

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 82ms

Service	Priority	Weight	Port	Target
_imap._tcp	5	0	143	imap.jkkn.net
_imaps._tcp	0	0	993	imap.jkkn.net

📝 TXT Records1 records 210ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (jkbk.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.jkbk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-reports@jkkn.net; ruf=mailto:dmarc-abuse@jkkn.net; sp=reject

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 42ms

Flags	Tag	Value
0	iodef	mailto:caa-abuse@jkkn.net
0	issue	letsencrypt.org
0	issuewild	;

🔗 TLSA / DANE2 records 193ms

Service / Owner	Type	Cert association
SMTP _25._tcp.smtp.jkkn.net	DANE-EE · Full cert · SHA-256	CD85DCA78131FF3AE90D35C3FCF85827…
HTTPS _443._tcp.jkbk.dk	DANE-EE · Full cert · SHA-256	AF5A2A47240DEA115CF3EF7B749F3BC0…

🔐 DNSSEC9092ms

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

🏷️ SOA0ms

Field	Value
Serial	2024083636
Primary NS (MNAME)	ns1.jkkn.dk
Responsible (RNAME)	zonecontact@jkkn.dk
Refresh	86400s
Retry	7200s
Expire	3628800s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

78ms

MX

48ms

AAAA

57ms

TXT

210ms

CAA

42ms

HTTPS

58ms

TLSA

193ms

SOA

0ms

MTA-STS

74ms

DNSSEC

9092ms

SRV

82ms

Total

10130ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:24:41	10130ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 06:23:10	660ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 06:06:13	8453ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 09:35:29	8923ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 09:28:48	3743ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 22:13:29	1128ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 07:43:36	3886ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 14:41:45	9155ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 00:14:18	2137ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 11:23:10	2504ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 10:56:01	2059ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 09:02:58	1224ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 15:36:41	1091ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 09:10:55	9096ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 01:19:46	1425ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:59:07	2049ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:43:48	844ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 07:42:02	1121ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 12:07:49	1067ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:05:36	1006ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 16:51:28	1021ms	3 NS 1 A 1 MX	🔒 Secure	View