post-box.dk

📜 Historical scan 2026-06-19 08:57:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

post-box.dk is a .dk domain served by 2 nameservers (adam.ns.cloudflare.com, eva.ns.cloudflare.com). It was registered on 6 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 9 October 2026 we saw it transfer from Platform Company ApS to DNS Platform ApS. Mail is handled by postbox-dk01b.mail.protection.outlook.com. 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
adam.ns.cloudflare.com	108.162.193.54 172.64.33.54 173.245.59.54 2606:4700:58::adf5:3b36 2803:f800:50::6ca2:c136 2a06:98c1:50::ac40:2136	adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eva.ns.cloudflare.com	108.162.192.114 172.64.32.114 173.245.58.114 2606:4700:50::adf5:3a72 2803:f800:50::6ca2:c072 2a06:98c1:50::ac40:2072	eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	postbox-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.68.15 52.101.73.12 52.101.73.26 52.101.73.28	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.246.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 242ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 2439ms

TXT Record
MS=ms60388066
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (post-box.dk)
-all (hard fail)	v=spf1 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#

latest probe, not this scan · checked 2026-10-20 08:05:22

www	NXDOMAIN
www vs bare domain	Neither resolves post-box.dk: no address www.post-box.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-postbox-dk01b._domainkey.mpdk.k-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-postbox-dk01b._domainkey.mpdk.k-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407201914
Primary NS (MNAME)	adam.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 09:05:15

Field	Value
Registrar	DNS Platform ApS
Registered	2021-12-06
Expires	2026-12-05 (44d)

🔗 Same registrant#

2 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).

Domain	Registrar
home-server.dk	DNS Platform ApS
mp53.dk	DNS Platform ApS

📋 WHOIS#

⏱️ Lookup Timing#

46ms

32ms

36ms

AAAA

30ms

TXT

2439ms

CAA

43ms

HTTPS

34ms

TLSA

98ms

SOA

0ms

MTA-STS

84ms

DNSSEC

130ms

SRV

242ms

Total

3058ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 08:05:22	1233ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-19 03:28:50	1532ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-18 03:06:12	1910ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-11 18:01:15	2901ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-09 15:59:31	2020ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 00:47:20	1171ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 00:42:42	1586ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-28 00:05:40	10141ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-23 06:29:40	1092ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-21 09:44:42	1796ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-07 05:10:01	1423ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 13:43:05	959ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 13:29:33	968ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-18 21:05:39	6688ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-17 07:56:22	4034ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-09 12:11:10	17948ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-08 07:41:58	2978ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-03 11:39:58	3306ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-22 12:00:24	10244ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-21 06:36:25	1545ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-13 09:24:49	16993ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-11 23:08:43	1216ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-03 14:17:23	6097ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-20 19:08:33	2198ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 08:57:14 shown	3058ms	2 NS 0 A 1 MX	🔒 Secure