jacobk.dk DNS records

🖥️ Nameservers2 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ganz.ns.cloudflare.com	108.162.195.40 162.159.44.40 172.64.35.40 2606:4700:58::a29f:2c28 2803:f800:50::6ca2:c328 2a06:98c1:50::ac40:2328	ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com ganz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.243	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:37f3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:ae87	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 90ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.243,172.67.174.135 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:37f3,2606:4700:3032::ac43:ae87

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC214ms

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

🏷️ SOA0ms

Field	Value
Serial	2413179157
Primary NS (MNAME)	april.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

103ms

A

100ms

MX

84ms

AAAA

63ms

TXT

316ms

CAA

68ms

HTTPS

90ms

TLSA

110ms

SOA

0ms

MTA-STS

116ms

DNSSEC

214ms

SRV

136ms

Total

979ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:31:25	979ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-12 08:53:56	1039ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-07 18:43:01	2855ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-20 11:00:54	936ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-11 23:46:51	16898ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 07:51:05	2670ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 07:43:09	952ms	2 NS 2 A 0 MX	🔓 Insecure	View