exchange-mailserver.dk

📜 Historical scan 2026-10-14 20:46:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

exchange-mailserver.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.68.239.133 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by barracuda.mitcom.dk. The zone is DNSSEC-signed and validates, has no 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#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.68.239.133	600s	exchange-mailserver.dk mailserver16.mitcom.dk	AS39642	Sinal A/S	77.68.128.0/17	🇩🇰 Denmark	Aalborg

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	barracuda.mitcom.dk	85.27.179.10	barracuda.mitcom.dk	AS34705 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mailserver16.mitcom.dk → 85.27.179.30
🔶 Autoconfig	mailserver16.mitcom.dk → 85.27.179.30

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 156ms

TXT Record
v=spf1 a:exchange-mailserver.dk -all

✉️ SPF#

Policy	Record (exchange-mailserver.dk)
-all (hard fail)	v=spf1 a:exchange-mailserver.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 22:46:57

www CNAME	mailserver16.mitcom.dk (all on mitcom.dk) → 85.27.179.30 (AS34705)
www vs bare domain	Different networks exchange-mailserver.dk: 77.68.239.133 (AS39642) www.exchange-mailserver.dk: 85.27.179.30 (AS34705) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.exchange-mailserver.dk	mailserver16.mitcom.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026101401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 06:16:52

Field	Value
Registrar	ONE.COM A/S
Registered	2011-11-27
Expires	2028-08-31 (683d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

44ms

AAAA

30ms

TXT

156ms

CAA

37ms

HTTPS

32ms

TLSA

383ms

SOA

45ms

MTA-STS

84ms

DNSSEC

107ms

SRV

72ms

Total

1376ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 22:46:57	1763ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 22:07:02	1004ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 20:46:46 shown	1376ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 19:41:39	1653ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:51:42	785ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 12:02:14	2672ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 14:42:52	859ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 01:39:07	722ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:08:40	731ms	2 NS 1 A 1 MX	🔒 Secure