presson.dk

📜 Historical scan 2026-06-24 20:20:15 · ← 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 44ms

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 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 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.245	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.155	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	presson-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.21 52.101.68.3 52.101.68.5	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:53f5	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b79b	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.245,172.67.183.155 ech=AEX+DQBB1wAgACA2G2Rv8+9j8xNp2R30q0WtpngMttOPfo1lR/P5M7CRYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:53f5,2606:4700:3033::ac43:b79b

🔌 SRV Records#

1 records 89ms

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

📝 TXT Records#

3 records 274ms

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 2026-10-19 18:41:41

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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.presson.dk	presson.dk.611a354d840aab0a.dcv.cloudflare.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2407543940
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 (72d)

🔗 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#

44ms

91ms

51ms

AAAA

36ms

TXT

274ms

CAA

53ms

HTTPS

38ms

TLSA

204ms

SOA

34ms

MTA-STS

31ms

DNSSEC

58ms

SRV

89ms

Total

1168ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	5463ms	2 NS 2 A 1 MX	🔒 Secure