rt16.dk - dns.ninja

rt16.dk

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b540🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:1253🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.83Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.64🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbarbara.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbarbara.ns.cloudflare.com
A2803:f800:50::6ca2:c0f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbarbara.ns.cloudflare.com
A2a06:98c1:50::ac40:20f8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbarbara.ns.cloudflare.com
A108.162.192.248🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbarbara.ns.cloudflare.com
A172.64.32.248🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbarbara.ns.cloudflare.com
A173.245.58.248🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbarbara.ns.cloudflare.com
NSdan.ns.cloudflare.com
A2606:4700:58::adf5:3b6c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A2803:f800:50::6ca2:c16c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdan.ns.cloudflare.com
A2a06:98c1:50::ac40:216c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdan.ns.cloudflare.com
A108.162.193.108🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A172.64.33.108🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A173.245.59.108🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
MX_dc-mx.dedbb0891118.rt16.dk ⭐
A116.202.99.172🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC
PTRstatic.172.99.202.116.clients.your-server.de
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.83, 172.67.181.64
IPv6 hints2606:4700:3031::ac43:b540, 2606:4700:3032::6815:1253
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOAbarbara.ns.cloudflare.comdns@cloudflare.com serial=2406059778

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1780907041localtime Mon Jun 8 10:24:01 2026gmtime Mon Ju...
SOAb.nic.dktech@punktum.dk serial=1780907041
WOT: SAFE (34/100)

Subdomains

mail.rt16.dk

Same first word

rt16.nl
rt16.ru
rt16.com
rt16.dk
rt16.at

Similar names

t61r.xyz
rt61.com
61rt.cn
tr16.net
r6t1.df.gov.br
rt61.be
tr61.net
16tr.net
rt61.ru

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSbarbara.ns.cloudflare.comdan.ns.cloudflare.comhelium.ns.hetzner.dehydrogen.ns.hetzner.comns1.unoeuro.comns2.unoeuro.comns3.unoeuro.comns4.unoeuro.comoxygen.ns.hetzner.comMX_dc-mx.dedbb0891118.rt16.dkmail.rt16.dkA104.21.18.83172.67.181.642606:4700:3031::ac43:b5402606:4700:3032::6815:1253188.34.160.16394.231.103.100
●NSbarbara.ns.cloudflare.com2026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
●NSdan.ns.cloudflare.com2026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
○NShelium.ns.hetzner.de2026-03-01 → 2026-06-08 · 2 obs
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NShydrogen.ns.hetzner.com2026-03-01 → 2026-06-08 · 2 obs
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NSns1.unoeuro.com2015-08-23 → 2016-11-30 · 4 obs
● 2015-08-23 13:45:58
● 2016-11-30 17:49:38
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NSns2.unoeuro.com2015-08-23 → 2016-11-30 · 4 obs
● 2015-08-23 13:45:58
● 2016-11-30 17:49:38
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NSns3.unoeuro.com2015-08-23 → 2016-11-30 · 4 obs
● 2015-08-23 13:45:58
● 2016-11-30 17:49:38
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NSns4.unoeuro.com2015-08-23 → 2016-11-30 · 4 obs
● 2015-08-23 13:45:58
● 2016-11-30 17:49:38
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
○NSoxygen.ns.hetzner.com2026-03-01 → 2026-06-08 · 2 obs
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
●MX_dc-mx.dedbb0891118.rt16.dk2026-03-01 → 2026-06-08 · 2 obs
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
○MXmail.rt16.dk2026-03-01 → 2026-06-08 · 2 obs
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
●A104.21.18.832026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
●A172.67.181.642026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
○A188.34.160.1632026-03-01 → 2026-06-08 · 2 obs
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40
●A2606:4700:3031::ac43:b5402026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
●A2606:4700:3032::6815:12532026-03-01 → 2026-06-08 · 3 obs
○ 2016-11-30 17:49:38
● 2026-03-01 12:43:26
● 2026-06-08 08:51:40
○A94.231.103.1002015-08-23 → 2016-11-30 · 4 obs
● 2015-08-23 13:45:58
● 2016-11-30 17:49:38
○ 2026-03-01 12:43:26
○ 2026-06-08 08:51:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
rt16.dkdan.ns.cloudflare.com, barbara.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.108

NS records: dan.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt16.dk (unsigned zone)

⏱️ Timing

Total: 507ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.18.83, 172.67.181.64
AAAA22606:4700:3031::ac43:b540, 2606:4700:3032::6815:1253
NS2barbara.ns.cloudflare.com, dan.ns.cloudflare.com
MX1_dc-mx.dedbb0891118.rt16.dk (pri: 10)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1barbara.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

rt16.dk serves as the parent of mail.rt16.dk.

IP Addresses

rt16.dk maps to 4 IP numbers, specifically 104.21.18.83, 172.67.181.64, 2606:4700:3031::ac43:b540 and 2606:4700:3032::6815:1253.

Two other host names, along with tnmr.org, www.888bjl99.com and 8.oadrfpsenior.bond, also share IP numbers with rt16.dk.

Name Servers

DNS delegation for rt16.dk points to two name servers: barbara.ns.cloudflare.com and dan.ns.cloudflare.com.

rt16.dk shares its NS records with other domains, for example thyfisker.dk, daysinnmorehead.com, inks.dk and two others.

rt16.dk has at least partial name server overlap with other domains, such as metau.ae, lyndy.info, decklink.com.cn and two others.

It is common to see these name servers used together with name servers trevor.ns.cloudflare.com and rodney.ns.cloudflare.com.

DNS names with 6 IP addresses:

barbara.ns.cloudflare.com has IP addresses 108.162.192.248, 172.64.32.248, 173.245.58.248 plus three more.

dan.ns.cloudflare.com has IP addresses 108.162.193.108, 172.64.33.108, 173.245.59.108 plus three more.

Mail Servers

The sole mail server for rt16.dk is _dc-mx.dedbb0891118.rt16.dk.

_dc-mx.dedbb0891118.rt16.dk has exactly one IP number: 116.202.99.172.