post5.dk

📜 Historical scan 2026-06-17 21:54:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

post5.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 2 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.213.87 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail.jtw.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 74ms

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

🌍 A Records#

1 records 76ms

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

📧 MX Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	—	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 Records#

1 records 236ms

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

📝 TXT Records#

1 records 323ms

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

✉️ SPF#

Policy	Record (post5.dk)
-all (hard fail)	v=spf1 mx a include:spfbase.jtw.dk -all

📨 DMARC#

Policy	Record (_dmarc.post5.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-24 11:11:23

www	135.181.213.87 (AS24940) (address records, no CNAME)
www vs bare domain	Same network post5.dk: 135.181.213.87 (AS24940) www.post5.dk: 135.181.213.87 (AS24940)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026052501
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 15:20:13

Field	Value
Registrar	Simply.com A/S
Registered	2023-06-02
Expires	2027-06-01 (219d)

📋 WHOIS#

⏱️ Lookup Timing#

74ms

76ms

62ms

AAAA

56ms

TXT

323ms

CAA

59ms

HTTPS

67ms

TLSA

85ms

SOA

70ms

MTA-STS

67ms

DNSSEC

87ms

SRV

236ms

Total

742ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 11:11:23	650ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-09 13:10:22	666ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 07:51:37	873ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 04:33:54	889ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-24 16:25:12	722ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-24 22:14:05	1051ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 05:05:15	701ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 21:54:06 shown	742ms	3 NS 1 A 1 MX	🔓 Insecure