presson.dk

📜 Historical scan 2026-06-18 04:41:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

presson.dk is a .dk domain served by 2 nameservers (martin.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 21 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by presson-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zainab.ns.cloudflare.com	108.162.194.149 162.159.38.149 172.64.34.149 2606:4700:50::a29f:2695 2803:f800:50::6ca2:c295 2a06:98c1:50::ac40:2295	zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com — zainab.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.245	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.155	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	presson-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.3 52.101.73.12 52.101.73.153 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.99.211.8

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:53f5	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b79b	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.245,172.67.183.155 ech=AEX+DQBBHQAgACDvr0foaUL+kfe8cQ/jzRqJm9WG78Sy1RChao5wzEe6ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:53f5,2606:4700:3033::ac43:b79b

🔌 SRV Records#

1 records 494ms

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

📝 TXT Records#

3 records 406ms

TXT Record
google-site-verification=b1wMskIJZSmUnFflG30Tp8H7nlTlAnXE6AnknXou_is
ms-domain-verification=f91ab6f7-cc77-494c-b826-132400c1cd58
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:antispamcloud.com include:mailgun.org ip4:45.67.15.96/32 -all

✉️ SPF#

Policy	Record (presson.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:amazonses.com include:antispamcloud.com include:mailgun.org ip4:45.67.15.96/32 -all

📨 DMARC#

Policy	Record (_dmarc.presson.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:502510579443481291624e9a9eb921bc@dmarc-reports.cloudflare.net

📬 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 2026-10-22 19:26:44

www	104.21.83.245 172.67.183.155 2606:4700:3030::ac43:b79b 2606:4700:3037::6815:53f5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network presson.dk: 104.21.83.245 172.67.183.155 2606:4700:3030::ac43:b79b 2606:4700:3037::6815:53f5 (AS13335) www.presson.dk: 104.21.83.245 172.67.183.155 2606:4700:3030::ac43:b79b 2606:4700:3037::6815:53f5 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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
s1	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-presson-dk._domainkey.presson.onmicrosoft.com	RSA · ~1024 bit below 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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2405470337
Primary NS (MNAME)	martin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 19:06:12

Field	Value
Registrar	CURANET A/S
Registered	2013-12-21
Expires	2026-12-31 (68d)

🔗 Same registrant#

6 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
autogroskilde.dk	Punktum dk A/S (direct)
cocktailprinsessen.dk	Punktum dk A/S (direct)
dbpodcast.dk	Punktum dk A/S (direct)
iboard.dk	Punktum dk A/S (direct)
visitaadalen.dk	Punktum dk A/S (direct)
visitådalen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

44ms

48ms

AAAA

40ms

TXT

406ms

CAA

32ms

HTTPS

45ms

TLSA

186ms

SOA

31ms

MTA-STS

33ms

DNSSEC

115ms

SRV

494ms

Total

5463ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 19:26:44	670ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-19 18:41:41	3115ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 20:59:04	1341ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 20:20:36	1390ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 19:41:41	1501ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 19:27:54	1055ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 19:52:23	1624ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-16 22:42:00	10493ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 14:23:56	2592ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 15:33:50	2125ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 16:46:49	2066ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 21:07:12	886ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 04:02:44	1497ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 03:17:05	3366ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-28 15:11:25	2165ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 10:20:04	2704ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-16 19:06:45	1917ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 07:58:21	3121ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 20:20:15	1168ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 01:10:26	985ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 17:18:27	1076ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:41:37 shown	5463ms	2 NS 2 A 1 MX	🔒 Secure