jsa-tag.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
woz.ns.cloudflare.com	108.162.193.150 172.64.33.150 173.245.59.150 2606:4700:58::adf5:3b96 2803:f800:50::6ca2:c196 2a06:98c1:50::ac40:2196	woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.137	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.23	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.ishost.dk	139.162.148.133	mail.ishost.dk	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)2 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c717	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:1589	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.137,172.67.199.23 ech=AEX+DQBBggAgACDFx+1Fj4/4IIl1FBQvYf4wnyCrdT6XJ/OTUMpbsfavLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c717,2606:4700:3034::6815:1589

📝 TXT Records2 records 191ms

TXT Record
google-site-verification=e-esP-C2LnI3XaQMTM7K4_aYQfnUtqAwnmDGsQlIk_U
v=spf1 mx a:mail.ishost.dk a:mail3.ishost.dk -all

✉️ SPF

Policy	Record (jsa-tag.dk)
-all (hard fail)	v=spf1 mx a:mail.ishost.dk a:mail3.ishost.dk -all

📨 DMARC

Policy	Record (_dmarc.jsa-tag.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC2088ms

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

🏷️ SOA0ms

Field	Value
Serial	2412936309
Primary NS (MNAME)	serena.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

61ms

A

38ms

MX

51ms

AAAA

71ms

TXT

191ms

CAA

56ms

HTTPS

45ms

TLSA

89ms

SOA

0ms

MTA-STS

83ms

DNSSEC

2088ms

SRV

76ms

Total

2656ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 07:11:39	2656ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 06:41:17	3076ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 02:36:51	7093ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-10 18:52:43	985ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 10:27:13	1322ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-20 07:44:35	5277ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 02:02:34	3220ms	2 NS 0 A 1 MX	🔓 Insecure	View