rc-ov.dk

📜 Historical scan 2026-10-03 00:13:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rc-ov.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, tara.ns.cloudflare.com). It was registered on 9 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.47 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
cory.ns.cloudflare.com	108.162.193.93 172.64.33.93 173.245.59.93 2606:4700:58::adf5:3b5d 2803:f800:50::6ca2:c15d 2a06:98c1:50::ac40:215d	cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tara.ns.cloudflare.com	108.162.192.225 172.64.32.225 173.245.58.225 2606:4700:50::adf5:3ae1 2803:f800:50::6ca2:c0e1 2a06:98c1:50::ac40:20e1	tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.47	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.142.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:4f2f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8e03	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.47,172.67.142.3 ech=AEX+DQBBdAAgACAe4zqAewEvdpgVLESvg965cZPa0yJo73q3wK9yfJqoTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4f2f,2606:4700:3035::ac43:8e03

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 +a +mx +a:web2.bazzo.dk -all

✉️ SPF#

Policy	Record (rc-ov.dk)
-all (hard fail)	v=spf1 +a +mx +a:web2.bazzo.dk -all

📨 DMARC#

Policy	Record (_dmarc.rc-ov.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 2026-10-19 07:40:07

www	104.21.79.47 172.67.142.3 2606:4700:3034::6815:4f2f 2606:4700:3035::ac43:8e03 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rc-ov.dk: 104.21.79.47 172.67.142.3 2606:4700:3034::6815:4f2f 2606:4700:3035::ac43:8e03 (AS13335) www.rc-ov.dk: 104.21.79.47 172.67.142.3 2606:4700:3034::6815:4f2f 2606:4700:3035::ac43:8e03 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 60ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

57ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2412492902
Primary NS (MNAME)	cory.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 08:15:52

Field	Value
Registrar	Simply.com A/S
Registered	2014-04-09
Expires	2027-04-30 (191d)

🔗 Same registrant#

7 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
0-20.dk	Punktum dk A/S (direct)
ajaxalarm.dk	Punktum dk A/S (direct)
alarmbatterier.dk	Punktum dk A/S (direct)
amstrup-sikring.dk	Punktum dk A/S (direct)
nul-tyve.dk	Punktum dk A/S (direct)
trygogsikker.dk	Punktum dk A/S (direct)
trygthjem.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

46ms

42ms

AAAA

32ms

TXT

175ms

CAA

44ms

HTTPS

54ms

TLSA

60ms

SOA

28ms

MTA-STS

46ms

DNSSEC

57ms

SRV

54ms

Total

515ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 07:40:07	435ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-18 06:42:43	483ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 09:31:34	1787ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 00:13:58 shown	515ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 17:26:27	8888ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 09:07:58	2426ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 02:03:31	921ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:51:12	2443ms	2 NS 2 A 1 MX	🔓 Insecure