jtw.dk DNS records

🖥️ Nameservers4 records 108ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.213.87	3600s	jtw.dk	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records1 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	3600s	mail.jtw.dk	135.181.213.87	jtw.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	135.181.213.87
🔶 Autoconfig	mail.jtw.dk → 135.181.213.87

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 161ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	10	443	mail.jtw.dk

📝 TXT Records1 records 264ms

TXT Record
v=spf1 mx a include:spfbase.jtw.dk -all

✉️ SPF

Policy	Record (jtw.dk)
-all (hard fail)	v=spf1 mx a include:spfbase.jtw.dk -all

📨 DMARC

Policy	Record (_dmarc.jtw.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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)

🔐 DNSSEC301ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

108ms

A

73ms

MX

110ms

AAAA

87ms

TXT

264ms

CAA

80ms

HTTPS

114ms

TLSA

228ms

SOA

0ms

MTA-STS

132ms

DNSSEC

301ms

SRV

161ms

Total

1341ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 09:19:44	1341ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 09:07:11	1049ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 15:36:35	959ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 16:09:18	826ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 08:45:04	985ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 13:46:42	643ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 23:16:24	668ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 05:15:58	1572ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:47:30	665ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:37:10	542ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:12:56	2524ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:44:04	658ms	4 NS 1 A 1 MX	🔒 Secure	View