rng.dk

📜 Historical scan 2026-10-02 19:17:07  ·  ← 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   55ms
NameserverIP addressesPTRASN / 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   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.43.68 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.221.119 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s 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 300s 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 300s mx3.spamfri.dk 2a00:1b18:2:3:fe::2
62.69.152.43		 mx3.spamfri.dk
mx3.spamfri.dk		 AS47527 DLX A/S
AS47527 DLX A/S
40 300s 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#

ServiceCNAME / IP
🔷 Autodiscover104.21.43.68
🔶 Autoconfig172.67.221.119

🔷 AAAA Records (IPv6)#

2 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:dd77 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:2b44 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   49ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.68,172.67.221.119 ech=AEX+DQBBYwAgACBhrmF226LMhe3Ocb+G2g0MIyFdmDiQeQSvwrtR4Y3qDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dd77,2606:4700:3037::6815:2b44

🔌 SRV Records#

1 records   101ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records   188ms
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#

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

📨 DMARC#

PolicyRecord (_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
www104.21.43.68 172.67.221.119 2606:4700:3034::ac43:dd77 2606:4700:3037::6815:2b44 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
TXT _acme-challenge.rng.dk 5egwPF7-Q5-23GEki9wgWz_0UBOS6uPuT_Xps3Ouqxs

🔗 TLSA / DANE#

4 records   74ms
Service / OwnerTypeCert 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#

89ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

50ms
FieldValue
Serial2415742655
Primary NS (MNAME)cameron.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
65ms
MX
65ms
AAAA
71ms
TXT
188ms
CAA
51ms
HTTPS
49ms
TLSA
74ms
SOA
50ms
MTA-STS
81ms
DNSSEC
89ms
SRV
101ms
Total
647ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 15:47:34 527ms 2 NS 2 A 4 MX 🔓 Insecure
2026-10-02 19:17:07 shown 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 690ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-18 02:02:23 3223ms 2 NS 2 A 4 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone