brevduen.dk

Records from scan: 2026-10-14 08:00:51 · 1352ms total · last checked 2026-10-16 10:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

brevduen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.55.231 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by brevduen-dk.mail.protection.outlook.com, cluster5.eu.messagelabs.com and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 66ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.55.231	600s	static.231.55.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

3 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	brevduen-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::20 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::6 52.101.103.140 52.101.181.156 52.101.68.15 52.101.73.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
100	43200s	cluster5.eu.messagelabs.com	195.245.230.200 195.245.230.201 195.245.231.69 195.245.231.72 195.245.231.75 85.158.142.210 85.158.142.214 85.158.142.215	mail858.messagelabs.com mail859.messagelabs.com mail874.messagelabs.com mail876.messagelabs.com mail879.messagelabs.com mail834.messagelabs.com mail838.messagelabs.com mail839.messagelabs.com	AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC
200	43200s	cluster5a.eu.messagelabs.com	34.91.159.228	228.159.91.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 98ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 182ms

TXT Record
MS=ms49002938
v=spf1 ip4:167.235.55.231 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (brevduen.dk)
~all (soft fail)	v=spf1 ip4:167.235.55.231 include:spf.protection.outlook.com ~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#

checked 2026-10-14 08:00:51

www	167.235.55.231 (AS24940) (address records, no CNAME)
www vs bare domain	Same network brevduen.dk: 167.235.55.231 (AS24940) www.brevduen.dk: 167.235.55.231 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

51ms

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 2026-10-14 08:19:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-16
Expires	2027-03-31 (165d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

66ms

44ms

67ms

AAAA

37ms

TXT

182ms

CAA

47ms

HTTPS

57ms

TLSA

597ms

SOA

51ms

MTA-STS

66ms

DNSSEC

82ms

SRV

98ms

Total

1352ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 08:00:51 shown	1352ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-25 06:53:19	975ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-17 10:55:02	2306ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-27 13:46:14	3894ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-13 16:37:34	10450ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-16 21:04:06	2458ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-25 01:56:23	1707ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 16:51:04	1038ms	2 NS 1 A 3 MX	🔒 Secure