1c5.dk

📜 Historical scan 2026-06-18 15:02:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1c5.dk is a .dk domain served by 2 nameservers (galilea.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 17 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.215 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 1c5-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
galilea.ns.cloudflare.com	108.162.194.233 162.159.38.233 172.64.34.233 2606:4700:50::a29f:26e9 2803:f800:50::6ca2:c2e9 2a06:98c1:50::ac40:22e9	galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.215	600s	prolinux4.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	1c5-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 52.101.68.16 52.101.68.36 52.101.68.5 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.213.168

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 242ms

TXT Record
MS=ms71703550
v=spf1 include:spf.protection.outlook.com include:smtp.gmail.com include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (1c5.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:smtp.gmail.com include:spf.onlinemail.io -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 2026-10-13 08:59:53

www CNAME	1c5.dk (all on 1c5.dk) → 185.21.41.215 (AS48854)
www vs bare domain	Same network 1c5.dk: 185.21.41.215 (AS48854) www.1c5.dk: 185.21.41.215 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-1c5-dk._domainkey.1c5.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-1c5-dk._domainkey.1c5.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: 5/10 · policy: -all

error include:smtp.gmail.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2404817534
Primary NS (MNAME)	galilea.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 10:01:10

Field	Value
Registrar	CURANET A/S
Registered	2011-02-17
Expires	2027-02-28 (133d)

🔗 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
1-c5konsulent.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

39ms

35ms

AAAA

58ms

TXT

242ms

CAA

34ms

HTTPS

95ms

TLSA

381ms

SOA

33ms

MTA-STS

39ms

DNSSEC

72ms

SRV

128ms

Total

1274ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:33:30	820ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:57:32	1055ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 22:04:56	1297ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 17:23:19	1143ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 18:55:15	16864ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 18:52:50	1463ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 14:45:03	1193ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 15:02:32 shown	1274ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:46:21	780ms	2 NS 1 A 1 MX	🔓 Insecure