ro16.dk

📜 Historical scan 2026-06-22 08:00:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ro16.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 10 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.103 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.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 116ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
matt.ns.cloudflare.com	108.162.193.131 172.64.33.131 173.245.59.131 2606:4700:58::adf5:3b83 2803:f800:50::6ca2:c183 2a06:98c1:50::ac40:2183	matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.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 154ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.103	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.86	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 140ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5767	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a956	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 133ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.103,172.67.169.86 ech=AEX+DQBB/QAgACBWoczHAiAaZTl4tvHtmmFqf5NRT/4zyj0bIVNtNFpxDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5767,2606:4700:3035::ac43:a956

📝 TXT Records#

2 records 156ms

TXT Record
apple-domain-verification=-Ryd-xnpWXPlleTkfsOU89snCmwyzf9eg8pnEBslcEM
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (ro16.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.ro16.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 2026-10-09 04:41:22

www	104.21.87.103 172.67.169.86 2606:4700:3032::6815:5767 2606:4700:3033::ac43:a956 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ro16.dk: 104.21.87.103 172.67.169.86 2606:4700:3032::6815:5767 2606:4700:3033::ac43:a956 (AS13335) www.ro16.dk: 104.21.87.103 172.67.169.86 2606:4700:3032::6815:5767 2606:4700:3033::ac43:a956 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

198ms

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

🏷️ SOA#

129ms

Field	Value
Serial	2406609463
Primary NS (MNAME)	lucy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 03:03:06

Field	Value
Registrar	GANDI SAS
Registered	2025-04-10
Expires	2027-04-09 (170d)

📋 WHOIS#

⏱️ Lookup Timing#

116ms

154ms

126ms

AAAA

140ms

TXT

156ms

CAA

138ms

HTTPS

133ms

TLSA

1213ms

SOA

129ms

MTA-STS

150ms

DNSSEC

198ms

SRV

140ms

Total

2025ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 01:36:06	1487ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 01:08:21	513ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 08:21:37	1218ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 07:02:15	9728ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 04:52:49	883ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-05 08:56:46	2170ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 13:49:07	951ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 12:22:50	1203ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 08:00:41 shown	2025ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 18:49:55	1185ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 10:40:37	2753ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 23:02:45	3255ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:16:43	965ms	2 NS 2 A 1 MX	🔓 Insecure