cold-as.dk

📜 Historical scan 2026-09-16 18:56:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cold-as.dk is a .dk domain served by 2 nameservers (jihoon.ns.cloudflare.com, june.ns.cloudflare.com). It was registered on 17 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.20 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by coldas-dk01b.mail.protection.outlook.com. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
jihoon.ns.cloudflare.com	108.162.195.233 162.159.44.233 172.64.35.233 2606:4700:58::a29f:2ce9 2803:f800:50::6ca2:c3e9 2a06:98c1:50::ac40:23e9	jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
june.ns.cloudflare.com	108.162.192.176 172.64.32.176 173.245.58.176 2606:4700:50::adf5:3ab0 2803:f800:50::6ca2:c0b0 2a06:98c1:50::ac40:20b0	june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.20	300s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.21	300s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	coldas-dk01b.mail.protection.outlook.com	2a01:111:f403:ca21::10 2a01:111:f403:ca21::a 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::8 52.101.103.137 52.101.103.39 52.101.68.29 52.101.91.153	mail-matpr05cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 71ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	5	10	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 200ms

TXT Record
mandrill_verify.esgvEzjIZO-pBGdASW8_pg
MS=ms26030534
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cold-as.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cold-as.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; fo=1; rf=afrf; rua=mailto:dmarc-support@nygreenit.dk; ruf=mailto:dmarc-support@nygreenit.dk; pct=100; ri=86400

📬 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 2026-10-09 19:21:55

www	141.193.213.20 141.193.213.21 (AS209242) (address records, no CNAME)
www vs bare domain	Same network cold-as.dk: 141.193.213.20 141.193.213.21 (AS209242) www.cold-as.dk: 141.193.213.20 141.193.213.21 (AS209242)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-coldas-dk01b._domainkey.coldflood.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

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	2414762362
Primary NS (MNAME)	jihoon.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 02:15:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-12-17
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

53ms

31ms

AAAA

36ms

TXT

200ms

CAA

43ms

HTTPS

37ms

TLSA

618ms

SOA

0ms

MTA-STS

69ms

DNSSEC

137ms

SRV

71ms

Total

1349ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 19:21:55	1149ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 12:26:03	2427ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 11:55:44	810ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 21:56:23	854ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 18:56:28 shown	1349ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-01 21:33:37	1419ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 12:17:16	1348ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-11 19:11:54	2789ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 05:20:25	1323ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 04:13:19	2193ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:34:25	1181ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:22:04	2639ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:45:06	750ms	2 NS 2 A 1 MX	🔓 Insecure