jcab.dk DNS records

🖥️ Nameservers2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com	108.162.193.233 172.64.33.233 173.245.59.233 2606:4700:58::adf5:3be9 2803:f800:50::6ca2:c1e9 2a06:98c1:50::ac40:21e9	skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 135ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.112	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.153	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

🔷 AAAA Records (IPv6)2 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:d199	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3d70	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 147ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.112,172.67.209.153 ech=AEX+DQBB2wAgACAEf45jgCuGQnz+9J5W2Bip0s4WUpjARwANfZzDySGrSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d199,2606:4700:3032::6815:3d70

📝 TXT Records1 records 507ms

TXT Record
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (jcab.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.jcab.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; aspf=s

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.jcab.dk	a-AFb9TUC_M3FxmCmimZjh1DlLg50EcT-siCcCZoQVY
TXT	_acme-challenge.jcab.dk	BF_KxE1Qo8oexNeJaCW7XGGiTpZ4Bz-rLba-EpjFg00

🔗 TLSA / DANE

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

🔐 DNSSEC340ms

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	2413613071
Primary NS (MNAME)	simone.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

96ms

A

135ms

MX

93ms

AAAA

124ms

TXT

507ms

CAA

94ms

HTTPS

147ms

TLSA

399ms

SOA

0ms

MTA-STS

202ms

DNSSEC

340ms

SRV

199ms

Total

4157ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 10:36:42	4157ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-23 10:12:18	3333ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-08 12:24:14	1731ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-06 06:26:08	1374ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-04 22:32:34	1276ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-25 12:25:45	1651ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-23 03:57:38	887ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 20:26:18	1155ms	2 NS 2 A 3 MX	🔓 Insecure	View