postenscanning.dk DNS records

🖥️ Nameservers4 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
dns02.ports.se	2001:19f0:5001:2a:5400:ff:fe38:1e6f 45.63.42.179	dns02.ports.se dns02.ports.se	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns03.ports.se	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records

🌍

No A records found

📧 MX Records2 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cluster4.eu.messagelabs.com	195.245.230.194 195.245.231.77 85.158.142.208	mail852.messagelabs.com mail880.messagelabs.com mail832.messagelabs.com	AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC
20	3600s	cluster4a.eu.messagelabs.com	34.91.159.228	228.159.91.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 348ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (postenscanning.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.postenscanning.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@stralfors.com; ruf=mailto:dmarc@stralfors.com; fo=1;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 781ms

Flags	Tag	Value
0	iodef	mailto:itsmdatacenter@stralfors.se
0	issue	;
0	issuewild	;

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082000
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	3600s
Retry	900s
Expire	1814400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

67ms

MX

66ms

AAAA

78ms

TXT

348ms

CAA

781ms

HTTPS

80ms

TLSA

153ms

SOA

0ms

MTA-STS

159ms

DNSSEC

109ms

SRV

166ms

Total

1723ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:02:03	1723ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-08-20 20:09:10	1513ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-08-18 19:43:21	7157ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-08-17 03:57:54	2374ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-07-21 18:08:50	8872ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-07-20 10:57:04	10045ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-07-17 23:01:38	3415ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-06-30 00:52:17	2070ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-06-22 05:43:54	950ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 09:50:05	2290ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-06-18 08:23:43	1093ms	4 NS 0 A 2 MX	🔒 Secure	View