rng.dk

Records from scan: 2026-10-07 15:47:34  ·  527ms total  ·  last checked 2026-10-20 02:56 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   30ms
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   41ms
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   40ms
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
🔷 Autodiscover172.67.221.119
🔶 Autoconfig104.21.43.68

🔷 AAAA Records (IPv6)#

2 records   37ms
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   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.68,172.67.221.119 ech=AEX+DQBBdQAgACBuWIoEi/Zsqm6VZasO+RrdRhvubYHr5tV5IEMh8O82CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dd77,2606:4700:3037::6815:2b44

🔌 SRV Records#

1 records   70ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records   181ms
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#

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   60ms
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#

76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

48ms
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
30ms
A
41ms
MX
40ms
AAAA
37ms
TXT
181ms
CAA
22ms
HTTPS
35ms
TLSA
60ms
SOA
48ms
MTA-STS
42ms
DNSSEC
76ms
SRV
70ms
Total
527ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 15:47:34 shown 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 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