columbiavalby.dk

📜 Historical scan 2026-06-24 11:43:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

columbiavalby.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, lorna.ns.cloudflare.com). It was registered on 12 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.89 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.sendgrid.net. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lorna.ns.cloudflare.com	108.162.192.190 172.64.32.190 173.245.58.190 2606:4700:50::adf5:3abe 2803:f800:50::6ca2:c0be 2a06:98c1:50::ac40:20be	lorna.ns.cloudflare.com lorna.ns.cloudflare.com lorna.ns.cloudflare.com lorna.ns.cloudflare.com lorna.ns.cloudflare.com lorna.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
162.159.135.89	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—
162.159.136.89	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.sendgrid.net	13.216.54.185 15.222.160.229 16.52.110.174 16.52.61.209 18.224.101.244 3.136.245.72 3.17.120.38 34.198.67.24 44.216.124.122 44.245.249.202 52.25.213.239 52.37.49.26	ec2-13-216-54-185.compute-1.amazonaws.com ec2-15-222-160-229.ca-central-1.compute.amazonaws.com ec2-16-52-110-174.ca-central-1.compute.amazonaws.com ec2-16-52-61-209.ca-central-1.compute.amazonaws.com ec2-18-224-101-244.us-east-2.compute.amazonaws.com ec2-3-136-245-72.us-east-2.compute.amazonaws.com ec2-3-17-120-38.us-east-2.compute.amazonaws.com ec2-34-198-67-24.compute-1.amazonaws.com ec2-44-216-124-122.compute-1.amazonaws.com ec2-44-245-249-202.us-west-2.compute.amazonaws.com ec2-52-25-213-239.us-west-2.compute.amazonaws.com ec2-52-37-49-26.us-west-2.compute.amazonaws.com	AS14618 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 247ms

TXT Record
google-site-verification=cn_pQ_C9LvKjFAce-P7i974rbAkDIcqlGLqEnN4Tkbs

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.columbiavalby.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-23 06:03:12

www CNAME	columbiavalby.dk (all on columbiavalby.dk) → 162.159.135.89 162.159.136.89 2606:4700:7::a29f:8759 2606:4700:7::a29f:8859 (AS13335)
www vs bare domain	Same network columbiavalby.dk: 162.159.135.89 162.159.136.89 2606:4700:7::a29f:8759 2606:4700:7::a29f:8859 (AS13335) www.columbiavalby.dk: 162.159.135.89 162.159.136.89 2606:4700:7::a29f:8759 2606:4700:7::a29f:8859 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u51272841.wl092.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u51272841.wl092.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.

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.columbiavalby.dk	columbiavalby.dk.7c229867e7b1b96c.dcv.cloudflare.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

232ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2407431923
Primary NS (MNAME)	algin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 04:56:40

Field	Value
Registrar	Abion AB
Registered	2021-01-12
Expires	2027-01-31 (99d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

91ms

73ms

AAAA

88ms

TXT

247ms

CAA

63ms

HTTPS

72ms

TLSA

74ms

SOA

49ms

MTA-STS

70ms

DNSSEC

232ms

SRV

89ms

Total

1263ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 06:03:12	833ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 13:49:06	1060ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 10:59:45	643ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 08:34:38	1294ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 05:53:41	1045ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 23:08:04	1078ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 02:31:27	1801ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 19:24:38	1795ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 11:43:30 shown	1263ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 19:35:27	1008ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 05:45:50	1309ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:51:09	871ms	4 NS 2 A 1 MX	🔓 Insecure