rnrgfx.dk

📜 Historical scan 2026-10-20 16:52:24  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rnrgfx.dk is a .dk domain served by 2 nameservers (aliza.ns.cloudflare.com, joel.ns.cloudflare.com). It was registered on 8 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.63 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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   46ms
NameserverIP addressesPTRASN / ISP
aliza.ns.cloudflare.com 108.162.194.55
162.159.38.55
172.64.34.55
2606:4700:50::a29f:2637
2803:f800:50::6ca2:c237
2a06:98c1:50::ac40:2237		 aliza.ns.cloudflare.com
aliza.ns.cloudflare.com
aliza.ns.cloudflare.com
aliza.ns.cloudflare.com
aliza.ns.cloudflare.com
aliza.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
joel.ns.cloudflare.com 108.162.193.184
172.64.33.184
173.245.59.184
2606:4700:58::adf5:3bb8
2803:f800:50::6ca2:c1b8
2a06:98c1:50::ac40:21b8		 joel.ns.cloudflare.com
joel.ns.cloudflare.com
joel.ns.cloudflare.com
joel.ns.cloudflare.com
joel.ns.cloudflare.com
joel.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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.18.63 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.180.180 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.18.63
🔶 Autoconfig172.67.180.180

🔷 AAAA Records (IPv6)#

2 records   42ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3036::6815:123f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:b4b4 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.18.63,172.67.180.180 ech=AEX+DQBBUgAgACCaYBWAwjIkp8mlzCS9pSZQf9bWv/hRNykqiX9eHrtgeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:123f,2606:4700:3037::ac43:b4b4

📝 TXT Records#

1 records   194ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (rnrgfx.dk)
-all (hard fail) v=spf1 include:spf.simply.com -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 2026-10-24 05:28:24
www104.21.18.63 172.67.180.180 2606:4700:3036::6815:123f 2606:4700:3037::ac43:b4b4 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   77ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

80ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

41ms
FieldValue
Serial2417915646
Primary NS (MNAME)aliza.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 03:25:44
FieldValue
RegistrarSimply.com A/S
Registered2026-01-08
Expires2027-01-07 (75d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
42ms
MX
35ms
AAAA
42ms
TXT
194ms
CAA
50ms
HTTPS
41ms
TLSA
77ms
SOA
41ms
MTA-STS
49ms
DNSSEC
80ms
SRV
67ms
Total
543ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 05:28:24 475ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-22 04:22:04 1492ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-20 16:52:24 shown 543ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-15 06:22:17 1972ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 15:06:39 492ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-06 07:31:29 433ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 06:22:10 511ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 01:01:36 760ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 02:51:20 779ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 18:54:08 747ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 09:51:15 9808ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 22:26:40 7453ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 22:24:38 1091ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-17 17:27:14 2798ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-12 06:16:47 3300ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-06 19:59:12 3633ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-31 18:47:30 910ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-27 22:28:17 1238ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-30 18:23:22 1061ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 04:41:53 1078ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 05:49:17 806ms 3 NS 1 A 1 MX 🔒 Secure
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