rref.su - dns.ninja

rref.su

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:497b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:be06🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.123Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.6🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjustin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjustin.ns.cloudflare.com
A108.162.193.187🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A172.64.33.187🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A173.245.59.187🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
NSkallie.ns.cloudflare.com
A2606:4700:50::a29f:2655🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkallie.ns.cloudflare.com
A2803:f800:50::6ca2:c255🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkallie.ns.cloudflare.com
A2a06:98c1:50::ac40:2255🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkallie.ns.cloudflare.com
A108.162.194.85🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkallie.ns.cloudflare.com
A162.159.38.85Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkallie.ns.cloudflare.com
A172.64.34.85🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkallie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.123, 172.67.190.6
IPv6 hints2606:4700:3032::6815:497b, 2606:4700:3033::ac43:be06
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOAjustin.ns.cloudflare.comdns@cloudflare.com serial=2409117413

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650210145
⚠️ On DNS blocklist: tif, tif.medium
⚠️ On DNS blocklist: spam-tlds

Subdomains

mail.rref.su
ns.rref.su

Same first word

rref.net
rref.com
rref.su
rref.org

Similar names

ferr.de
refr.nl
rfer.com
rfer.me
refr.cc
rfre.com.au
frer.it
rrfe.co.in
erfr.com
ferr.eu
rfre.com
ferr.it
rerf.jp
errf.xyz
refr.us
rfer.us
frer.de
frre.com
rerf.net
ferr.ca
frre.de
rfre.org
refr.de
rfer.ee
frer.ru
refr.co
refr.net
efrr.org
rerf.us
frre.ru
efrr.com
ferr.nl
erfr.xyz
ferr.fr
ferr.es
refr.ru
frre.fr
refr.la
frer.com.ar
frer.fr
rfer.al
frre.net
ferr.us
rerf.com
ferr.in
frer.cz
refr.at
ferr.at
refr.eu
errf.org
rrfe.com
ferr.net
frer.co
ferr.ru
ferr.jp
ferr.co
refr.org
refr.com
rrfe.org
rfer.be
refr.health
rerf.or.jp
refr.ca
rerf.in
rfer.de
ferr.org

DNS History

19 records (6 active, 13 former)

20162017201820192020202120222023202420252026NSjustin.ns.cloudflare.comkallie.ns.cloudflare.comns.rref.suns3-l2.nic.runs4-cloud.nic.runs4-l2.nic.runs8-cloud.nic.runs8-l2.nic.ruMXmail.rref.suA104.21.73.123172.67.190.62606:4700:3032::6815:497b2606:4700:3033::ac43:be06188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::89.253.223.21689.253.228.190
●NSjustin.ns.cloudflare.com2026-06-17 → 2026-08-09 · 3 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
● 2026-08-09 11:41:04
●NSkallie.ns.cloudflare.com2026-06-17 → 2026-08-09 · 3 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
● 2026-08-09 11:41:04
○NSns.rref.su2016-07-10 → 2016-07-10 · 4 obs
○ 2016-02-23 16:33:20
● 2016-07-10 03:10:42
○ 2017-03-27 03:35:28
○ 2026-08-09 11:41:04
○NSns3-l2.nic.ru2015-06-08 → 2020-03-21 · 7 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
● 2017-03-27 03:35:28
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04
○NSns4-cloud.nic.ru2015-06-08 → 2020-03-21 · 7 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
● 2017-03-27 03:35:28
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04
○NSns4-l2.nic.ru2015-06-08 → 2020-03-21 · 7 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
● 2017-03-27 03:35:28
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04
○NSns8-cloud.nic.ru2015-06-08 → 2020-03-21 · 7 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
● 2017-03-27 03:35:28
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04
○NSns8-l2.nic.ru2015-06-08 → 2020-03-21 · 7 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
● 2017-03-27 03:35:28
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04
○MXmail.rref.su2016-07-10 → 2016-07-10 · 3 obs
● 2016-07-10 03:10:42
○ 2017-03-27 03:35:28
○ 2026-08-09 11:41:04
●A104.21.73.1232026-07-07 → 2026-08-09 · 3 obs
○ 2026-06-17 08:10:42
● 2026-07-07 19:38:10
● 2026-08-09 11:41:04
●A172.67.190.62026-07-07 → 2026-08-09 · 3 obs
○ 2026-06-17 08:10:42
● 2026-07-07 19:38:10
● 2026-08-09 11:41:04
○A188.114.96.02026-06-17 → 2026-06-17 · 4 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
○ 2026-07-07 19:38:10
○ 2026-08-09 11:41:04
○A188.114.97.02026-06-17 → 2026-06-17 · 4 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
○ 2026-07-07 19:38:10
○ 2026-08-09 11:41:04
●A2606:4700:3032::6815:497b2026-07-07 → 2026-08-09 · 3 obs
○ 2026-06-17 08:10:42
● 2026-07-07 19:38:10
● 2026-08-09 11:41:04
●A2606:4700:3033::ac43:be062026-07-07 → 2026-08-09 · 3 obs
○ 2026-06-17 08:10:42
● 2026-07-07 19:38:10
● 2026-08-09 11:41:04
○A2a06:98c1:3120::2026-06-17 → 2026-06-17 · 4 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
○ 2026-07-07 19:38:10
○ 2026-08-09 11:41:04
○A2a06:98c1:3121::2026-06-17 → 2026-06-17 · 4 obs
○ 2020-03-21 16:08:52
● 2026-06-17 08:10:42
○ 2026-07-07 19:38:10
○ 2026-08-09 11:41:04
○A89.253.223.2162015-06-08 → 2016-02-23 · 4 obs
● 2015-06-08 21:02:16
● 2016-02-23 16:33:20
○ 2016-07-10 03:10:42
○ 2026-08-09 11:41:04
○A89.253.228.1902016-07-10 → 2020-03-21 · 5 obs
○ 2016-02-23 16:33:20
● 2016-07-10 03:10:42
● 2020-03-21 16:08:52
○ 2026-06-17 08:10:42
○ 2026-08-09 11:41:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sud.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru...12 records
rref.sujustin.ns.cloudflare.com, kallie.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.85

NS records: justin.ns.cloudflare.com, kallie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rref.su (unsigned zone)

⏱️ Timing

Total: 779ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.123, 172.67.190.6
AAAA22606:4700:3033::ac43:be06, 2606:4700:3032::6815:497b
NS2justin.ns.cloudflare.com, kallie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1justin.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Hierarchy

mail.rref.su and ns.rref.su each fall under rref.su as their parent domain.

IP Addresses

rref.su has four IP addresses: 104.21.73.123, 172.67.190.6, 2606:4700:3032::6815:497b and 2606:4700:3033::ac43:be06.

Two other host names, along with fusionp.top, valuist.digital and scydj.com, also share IP numbers with rref.su.

Name Servers

rref.su uses two name servers for its delegation: justin.ns.cloudflare.com and kallie.ns.cloudflare.com.

rref.su shares its NS records with other domains, for example cargarageautoservice.ae, ceo-xrp.net, kunoze.sa and two others.

rref.su shares at least some of its name servers with other domains, including dewatangkasgo.com, silverspringfamrest.com, cliquesteria.net and two others.

These name servers are frequently paired with the name servers austin.ns.cloudflare.com and salvador.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname justin.ns.cloudflare.com directs to 108.162.193.187, 172.64.33.187 and 173.245.59.187 along with 3 other IP addresses.

Hostname kallie.ns.cloudflare.com directs to 108.162.194.85, 162.159.38.85 and 172.64.34.85 along with 3 other IP addresses.