postpost.dk DNS records

🖥️ Nameservers3 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.2	14400s	web.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 18ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	3600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.131.2
🔶 Autoconfig	195.242.131.2

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 34ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 86ms

TXT Record
v=spf1 ip4:195.242.131.2 include:_spf.e-studio.dk -all

✉️ SPF

Policy	Record (postpost.dk)
-all (hard fail)	v=spf1 ip4:195.242.131.2 include:_spf.e-studio.dk -all

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.postpost.dk	0DnRv4wvhyHdzJe3HdfZDG4kZwW2T4EmHyMtwTi1HHw

🔗 TLSA / DANE3 records 36ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083004
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

23ms

A

26ms

MX

18ms

AAAA

28ms

TXT

86ms

CAA

22ms

HTTPS

27ms

TLSA

36ms

SOA

0ms

MTA-STS

33ms

DNSSEC

95ms

SRV

34ms

Total

551ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 16:18:06	551ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-29 02:51:14	588ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 21:43:07	580ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 20:29:42	493ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-25 18:34:35	1159ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-24 16:24:45	624ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-23 15:56:55	2462ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-22 14:23:01	1145ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-21 13:48:36	3003ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 13:19:35	1126ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-19 08:21:30	4927ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-18 08:19:03	3056ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 02:48:42	3788ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-13 17:53:08	1003ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-12 04:47:50	1155ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 21:45:38	1111ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-02 23:25:45	9314ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-01 13:39:16	1599ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 19:35:33	1029ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-26 19:23:34	1903ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 18:51:30	1340ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 18:14:00	985ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-23 15:31:39	919ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-22 14:49:47	1912ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-21 12:13:40	1196ms	3 NS 1 A 3 MX	🔒 Secure	View