rng.dk

📜 Historical scan 2026-06-20 05:23:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rng.dk is a .dk domain served by 2 nameservers (cameron.ns.cloudflare.com, mallory.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.68 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 more. 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
cameron.ns.cloudflare.com	108.162.195.107 162.159.44.107 172.64.35.107 2606:4700:58::a29f:2c6b 2803:f800:50::6ca2:c36b 2a06:98c1:50::ac40:236b	cameron.ns.cloudflare.com cameron.ns.cloudflare.com cameron.ns.cloudflare.com cameron.ns.cloudflare.com cameron.ns.cloudflare.com cameron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mallory.ns.cloudflare.com	108.162.194.83 162.159.38.83 172.64.34.83 2606:4700:50::a29f:2653 2803:f800:50::6ca2:c253 2a06:98c1:50::ac40:2253	mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.68	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.119	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
40	600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.221.119
🔶 Autoconfig	172.67.221.119

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:dd77	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2b44	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.68,172.67.221.119 ech=AEX+DQBB6gAgACCmWsfKnxBIRMinjBvNZmTBCIAk0G6sxXmwwU+YJYkYFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dd77,2606:4700:3037::6815:2b44

🔌 SRV Records#

1 records 97ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records 219ms

TXT Record
google-site-verification=7_2UbjUefTvqee47j909kw0YZAA_V-vAEjEQVSg49ko
v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (rng.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.rng.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 2026-10-07 15:47:34

www	104.21.43.68 172.67.221.119 2606:4700:3034::ac43:dd77 2606:4700:3037::6815:2b44 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rng.dk: 104.21.43.68 172.67.221.119 2606:4700:3034::ac43:dd77 2606:4700:3037::6815:2b44 (AS13335) www.rng.dk: 104.21.43.68 172.67.221.119 2606:4700:3034::ac43:dd77 2606:4700:3037::6815:2b44 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

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

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rng.dk	5egwPF7-Q5-23GEki9wgWz_0UBOS6uPuT_Xps3Ouqxs

🔗 TLSA / DANE#

4 records 58ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

82ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2405472583
Primary NS (MNAME)	cameron.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

57ms

37ms

56ms

AAAA

37ms

TXT

219ms

CAA

54ms

HTTPS

50ms

TLSA

58ms

SOA

39ms

MTA-STS

83ms

DNSSEC

82ms

SRV

97ms

Total

690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:47:34	527ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-02 19:17:07	647ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-24 16:44:39	1449ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-23 16:17:40	854ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 18:40:37	1143ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-26 19:23:02	10461ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-01 18:07:16	1690ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-21 12:24:12	686ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 05:23:38 shown	690ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 02:02:23	3223ms	2 NS 2 A 4 MX	🔓 Insecure