christensenit.dk

📜 Historical scan 2026-07-28 09:33:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

christensenit.dk is a .dk domain served by 2 nameservers (monika.ns.cloudflare.com, randall.ns.cloudflare.com). It was registered on 18 July 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.199 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by christensenit-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
monika.ns.cloudflare.com	108.162.194.56 162.159.38.56 172.64.34.56 2606:4700:50::a29f:2638 2803:f800:50::6ca2:c238 2a06:98c1:50::ac40:2238	monika.ns.cloudflare.com monika.ns.cloudflare.com monika.ns.cloudflare.com monika.ns.cloudflare.com monika.ns.cloudflare.com monika.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
randall.ns.cloudflare.com	108.162.195.235 162.159.44.235 172.64.35.235 2606:4700:58::a29f:2ceb 2803:f800:50::6ca2:c3eb 2a06:98c1:50::ac40:23eb	randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.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 2033ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.199	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.126	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	christensenit-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::f 52.101.68.25 52.101.68.5 52.101.73.153 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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	104.21.61.199
🔶 Autoconfig	104.21.61.199

🔷 AAAA Records (IPv6)#

2 records 2033ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d57e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3dc7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 2031ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.199,172.67.213.126 ech=AEX+DQBBBwAgACB4VjWbcSdUsPDzfef/HeWYmo+8VymYAR/7icFB6GtlDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d57e,2606:4700:3034::6815:3dc7

🔌 SRV Records#

1 records 2143ms

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

📝 TXT Records#

6 records 2306ms

TXT Record
apple-domain-verification=EEa7fDs1yLntMnNu
google-site-verification=7y_9Zb8SGXvR0YLu7-5lfJVgbHp9jLdcBRDRYnTEfm4
MS=ms72373896
P-WzcBEH9Hw5
permido-verification=<P-WzcBEH9Hw5>
v=spf1 include:spf.protection.outlook.com include:spf.permido.com include:email.freshservice.com -all

✉️ SPF#

Policy	Record (christensenit.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.permido.com include:email.freshservice.com -all

📨 DMARC#

Policy	Record (_dmarc.christensenit.dk)
p=reject	v=DMARC1; p=reject; pct=50; rua=mailto:989e8137ceee452fafbcd5f65d9991cf@dmarc-reports.cloudflare.net,mailto:dmarc_agg@vali.email, mailto:dmarc@christensenit.dk; ruf=mailto:dmarc_forensic@christensenit.dk; adkim=r; aspf=r;

📬 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 2026-10-16 21:16:58

www	104.21.61.199 172.67.213.126 2606:4700:3033::ac43:d57e 2606:4700:3034::6815:3dc7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network christensenit.dk: 104.21.61.199 172.67.213.126 2606:4700:3033::ac43:d57e 2606:4700:3034::6815:3dc7 (AS13335) www.christensenit.dk: 104.21.61.199 172.67.213.126 2606:4700:3033::ac43:d57e 2606:4700:3034::6815:3dc7 (AS13335)
Wildcard	Yes: any name under the zone resolves
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-christensenit-dk._domainkey.christensenitdk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-christensenit-dk._domainkey.christensenitdk.onmicrosoft.com	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: 13/10 · policy: -all

error 13 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

1 records 883ms

Service / Owner	Type	Cert association
HTTPS _443._tcp.christensenit.dk	DANE-EE · SPKI · SHA-256	40003AE9281AE188E7A0320CD1762989…

🔐 DNSSEC#

9062ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2410639053
Primary NS (MNAME)	monika.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 21:54:11

Field	Value
Registrar	Simply.com A/S
Registered	2014-07-18
Expires	2027-07-31 (285d)

🔗 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
agroskandia.dk	Simply.com A/S
noedager.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

52ms

2033ms

45ms

AAAA

2033ms

TXT

2306ms

CAA

2049ms

HTTPS

2031ms

TLSA

883ms

SOA

0ms

MTA-STS

2083ms

DNSSEC

9062ms

SRV

2143ms

Total

11762ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 21:16:58	1265ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 06:08:34	1633ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 22:11:13	1636ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 22:43:54	1682ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 14:16:56	10835ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 11:53:35	3120ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 07:04:22	6946ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-28 09:33:39 shown	11762ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 13:46:26	3547ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 22:11:50	3318ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 15:05:37	1129ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 01:45:15	914ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:14:43	1243ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 16:53:45	1162ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:36:16	790ms	2 NS 2 A 1 MX	🔓 Insecure