nilsson-it.dk

📜 Historical scan 2026-06-21 07:55:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nilsson-it.dk is a .dk domain served by 2 nameservers (brianna.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 23 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.111 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by nilssonit-dk01i.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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
brianna.ns.cloudflare.com	108.162.192.245 172.64.32.245 173.245.58.245 2606:4700:50::adf5:3af5 2803:f800:50::6ca2:c0f5 2a06:98c1:50::ac40:20f5	brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.111	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.249	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nilssonit-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 52.101.68.12 52.101.68.18 52.101.68.36 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:5b6f	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d7f9	600s	—	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=104.21.91.111,172.67.215.249 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5b6f,2606:4700:3036::ac43:d7f9

🔌 SRV Records#

1 records 79ms

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

📝 TXT Records#

4 records 166ms

TXT Record
google-site-verification=sGyD2ov9sSCEV_w3W-C2QKe7OfATLcmW6-vSTbqfsiI
MS=ms67090220
MS=ms82676223
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:exec01.nilsson-it.dk ~all include:email.freshdesk.com ~all

✉️ SPF#

Policy	Record (nilsson-it.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:exec01.nilsson-it.dk ~all include:email.freshdesk.com ~all

📨 DMARC#

Policy	Record (_dmarc.nilsson-it.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmarster@nilsson-it.dk

📬 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 2026-10-15 10:00:26

www	Exists, no address
www vs bare domain	www does not resolve nilsson-it.dk: 104.21.91.111 172.67.215.249 2606:4700:3034::6815:5b6f 2606:4700:3036::ac43:d7f9 (AS13335) www.nilsson-it.dk: no address (all like this)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: ~all

error include:exec01.nilsson-it.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
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#

91ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2407083449
Primary NS (MNAME)	brianna.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 10:43:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-01-23
Expires	2027-01-31 (104d)

🔗 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#

34ms

38ms

36ms

AAAA

37ms

TXT

166ms

CAA

33ms

HTTPS

45ms

TLSA

590ms

SOA

41ms

MTA-STS

46ms

DNSSEC

91ms

SRV

79ms

Total

1100ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 10:00:26	1193ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 09:27:46	1294ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 22:54:39	1114ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 03:38:31	1035ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 23:42:29	1509ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 21:25:22	2235ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 18:25:57	1307ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 01:18:26	896ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-03 18:21:26	4228ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-25 20:29:56	1375ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 00:07:40	9841ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 01:51:16	6671ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 20:30:57	7944ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 23:17:39	744ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 07:55:46 shown	1100ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 21:54:51	1191ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 09:18:02	1685ms	2 NS 2 A 1 MX	🔒 Secure