ccrengoering.dk

📜 Historical scan 2026-08-10 15:17:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ccrengoering.dk is a .dk domain served by 2 nameservers (eva.ns.cloudflare.com, vin.ns.cloudflare.com). It was registered on 25 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.231 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ccrengoering-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
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.
vin.ns.cloudflare.com	108.162.193.245 172.64.33.245 173.245.59.245 2606:4700:58::adf5:3bf5 2803:f800:50::6ca2:c1f5 2a06:98c1:50::ac40:21f5	vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.231	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.78	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ccrengoering-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::c 52.101.73.11 52.101.73.28 52.101.73.4 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.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	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	188.166.33.195

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:4fe7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:954e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.231,172.67.149.78 ech=AEX+DQBB7gAgACBcOQs+ebU821sgSGiITMwo5qAhp8emgtLWxMQS8G4FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4fe7,2606:4700:3032::ac43:954e

🔌 SRV Records#

1 records 77ms

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

📝 TXT Records#

1 records 258ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:35.198.66.42 include:spf.lmmail.dk ~all

✉️ SPF#

Policy	Record (ccrengoering.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:35.198.66.42 include:spf.lmmail.dk ~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 2026-10-22 12:14:17

www	104.21.79.231 172.67.149.78 2606:4700:3032::6815:4fe7 2606:4700:3032::ac43:954e (AS13335) (address records, no CNAME)
www vs bare domain	Same network ccrengoering.dk: 104.21.79.231 172.67.149.78 2606:4700:3032::6815:4fe7 2606:4700:3032::ac43:954e (AS13335) www.ccrengoering.dk: 104.21.79.231 172.67.149.78 2606:4700:3032::6815:4fe7 2606:4700:3032::ac43:954e (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u18135554.wl055.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u18135554.wl055.sendgrid.net	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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411636511
Primary NS (MNAME)	eva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 01:18:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-12-25
Expires	2026-12-31 (67d)

🔗 Same registrant#

1 domain

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
ccfacility.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

50ms

59ms

AAAA

45ms

TXT

258ms

CAA

49ms

HTTPS

55ms

TLSA

326ms

SOA

0ms

MTA-STS

69ms

DNSSEC

92ms

SRV

77ms

Total

1840ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 12:14:17	1729ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-21 03:35:50	2200ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-20 00:51:13	2094ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 12:39:18	1518ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-06 08:07:44	7304ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 05:31:58	2276ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 23:18:21	825ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 02:00:12	8305ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 15:17:24 shown	1840ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 01:57:30	1362ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 19:55:11	2660ms	2 NS 2 A 1 MX	🔓 Insecure