rf.su - dns.ninja

`rf.su`

DNSSEC	⚠️ Not signed
A	37.187.83.72^{🇫🇷 OVH37.187.0.0/16}
		PTR	`dns1.ru-tld.ru`
A	176.31.179.191^{🇫🇷 OVH176.31.0.0/16 ISP Paris, France}
NS	`dns1.ru-tld.ru` ⭐
		A	37.187.83.72^{🇫🇷 OVH37.187.0.0/16}
			PTR	`dns1.ru-tld.ru`
NS	`dns.ru-tld.ru`
		A	185.108.84.20^{🇺🇸 LEASEWEB-NL-AMS-01185.108.84.0/23 MTND}
			PTR	`dns.ru-tld.ru`
NS	`dns2.ru-tld.ru`
		A	176.31.179.191^{🇫🇷 OVH176.31.0.0/16 ISP Paris, France}
			PTR	`dns2.ru-tld.ru`
TXT	`v=spf1 ip4:127.0.0.1 -all`
TXT	`eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJEb21haW5TaG9wIiwic3ViIjoiNTU1...`
TXT	`v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1;`
SOA	`dns.ru-tld.ru`support@ru-tld.ru 2014-03-22 #28

`su`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=650209884

Same first word

rf.adv.br

rf.org.na

rf.guru

rf.com.ua

rf.at

rf.mk

rf.lv

rf.gov.pl

rf.org

rf.net

rf.org.ru

rf.dk

rf.co

rf.readthedocs.io

rf.com.br

rf.sg

rf.se

rf.com.tr

rf.de

rf.pizza

rf.sh.cn

rf.fyi

rf.gs

rf.pl

rf.com.au

rf.is

rf.ro

rf.nl

rf.ca

rf.works

rf.capital

rf.ee

rf.chat

rf.tm

rf.church

rf.cc

rf.st

rf.org.sa

rf.world

rf.biz

rf.solutions

rf.gd

rf.ws

rf.org.pk

rf.no

rf.vg

rf.ru

rf.lc

rf.kz

rf.net.tw

rf.su

rf.am

rf.sk

rf.pt

rf.co.za

rf.domains

rf.com.do

rf.cz

rf.cx

rf.com

rf.cn

rf.com.uy

rf.go.th

rf.net.au

rf.tv

rf.fo

rf.ae

rf.net.nz

rf.be

rf.spb.ru

rf.hk

rf.la

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fr.de

fr.ci

fr.org

fr.ac.lk

fr.blog

fr.gov.by

fr.inc

fr.bnpparibas

fr.cz

fr.be

fr.biz

fr.lt

fr.se

fr.fo

fr.tn

fr.weber

fr.com.tw

fr.fage

fr.vanguard

fr.abbott

fr.sg

fr.net.cn

fr.com

fr.global.prod.fastly.net

fr.pl

fr.mba

fr.s3-website-eu-west-1.amazonaws.com

fr.au

fr.cm

fr.si

fr.maison

fr.rs

fr.gd

fr.lv

fr.vg

fr.no-ip.biz

fr.s3-website.eu-west-3.amazonaws.com

fr.com.ua

fr.gs

fr.pe

fr.cx

fr.ax

fr.gp

fr.dev

fr.at

fr.co

fr.s3.amazonaws.com

fr.mil.ru

fr.st

fr.dk

fr.net

fr.tc

fr.mw

fr.s3.eu-central-1.amazonaws.com

fr.nf

fr.tv

fr.ph

fr.com.sa

fr.simplesite.com

fr.gl

fr.cr

fr.uy

fr.uz

fr

fr.cc

fr.s3-eu-west-1.amazonaws.com

fr.cloudapp.net

fr.ch

fr.no

fr.is

fr.net.pl

fr.solutions

fr.ee

DNS History

5 records (5 active, 0 former)

●NSdns.ru-tld.ru2026-02-15 → 2026-07-18 · 47 obs

● 2026-02-15 21:23:10
● 2026-02-25 18:21:56
○ 2026-02-25 21:40:14
● 2026-02-27 08:35:26
○ 2026-02-28 14:34:36
○ 2026-03-02 02:32:48
● 2026-03-02 04:03:56
● 2026-03-02 17:15:30
○ 2026-03-02 18:35:06
● 2026-03-03 01:16:38
● 2026-03-03 22:04:52
○ 2026-03-04 17:43:36
● 2026-03-05 16:01:38
● 2026-03-07 06:54:44
○ 2026-03-07 19:11:58
● 2026-03-08 05:25:20
● 2026-03-08 22:45:52
○ 2026-03-09 01:47:16
● 2026-03-10 11:10:22
○ 2026-03-10 17:30:30
● 2026-03-10 20:47:54
● 2026-03-17 20:52:14
○ 2026-03-17 22:58:06
● 2026-03-18 02:58:38
● 2026-03-19 19:03:52
○ 2026-03-20 03:04:52
● 2026-03-20 10:15:42
● 2026-04-01 12:44:44
○ 2026-04-01 19:50:12
● 2026-04-01 23:10:06
● 2026-04-10 11:26:24
○ 2026-04-10 18:08:40
● 2026-04-11 03:23:42
● 2026-04-12 16:20:36
○ 2026-04-12 17:31:04
● 2026-04-13 01:03:52
● 2026-04-29 12:26:14
○ 2026-04-29 14:30:44
● 2026-04-30 05:50:18
● 2026-05-21 17:04:00
○ 2026-05-22 00:14:10
● 2026-05-22 05:54:12
● 2026-06-04 09:25:58
○ 2026-06-04 18:26:26
● 2026-06-08 03:43:14
○ 2026-07-17 19:03:14
● 2026-07-18 19:42:44

●NSdns1.ru-tld.ru2026-02-15 → 2026-07-18 · 2 obs

● 2026-02-15 21:23:10
● 2026-07-18 19:42:44

●NSdns2.ru-tld.ru2026-02-15 → 2026-07-18 · 2 obs

● 2026-02-15 21:23:10
● 2026-07-18 19:42:44

●A176.31.179.1912026-02-15 → 2026-07-18 · 44 obs

● 2026-02-15 21:23:10
● 2026-02-27 08:35:26
○ 2026-02-28 14:34:36
○ 2026-03-02 02:32:48
● 2026-03-02 04:03:56
● 2026-03-02 17:15:30
○ 2026-03-02 18:35:06
● 2026-03-03 01:16:38
● 2026-03-03 22:04:52
○ 2026-03-04 17:43:36
● 2026-03-05 16:01:38
● 2026-03-07 06:54:44
○ 2026-03-07 19:11:58
● 2026-03-08 05:25:20
● 2026-03-08 22:45:52
○ 2026-03-09 01:47:16
● 2026-03-10 11:10:22
○ 2026-03-10 17:30:30
● 2026-03-10 20:47:54
● 2026-03-16 09:24:48
○ 2026-03-16 19:01:10
● 2026-03-17 20:52:14
○ 2026-03-17 22:58:06
● 2026-03-18 02:58:38
● 2026-03-19 19:03:52
○ 2026-03-20 03:04:52
● 2026-03-20 10:15:42
● 2026-04-01 12:44:44
○ 2026-04-01 19:50:12
● 2026-04-01 23:10:06
● 2026-04-12 16:20:36
○ 2026-04-12 17:31:04
● 2026-04-13 01:03:52
● 2026-04-26 14:04:52
○ 2026-04-26 18:59:30
● 2026-04-28 02:51:00
● 2026-04-29 12:26:14
○ 2026-04-29 14:30:44
● 2026-04-30 05:50:18
● 2026-06-04 09:25:58
○ 2026-06-04 18:26:26
● 2026-06-08 03:43:14
○ 2026-07-17 19:03:14
● 2026-07-18 19:42:44

●A37.187.83.722026-02-15 → 2026-07-18 · 44 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...	-
rf.su	dns2.ru-tld.ru, dns1.ru-tld.ru	-

✅ Authoritative Response

Server:37.187.83.72

NS records: dns2.ru-tld.ru, dns1.ru-tld.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rf.su (unsigned zone)

⏱️ Timing

Total: 2640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`176.31.179.191, 37.187.83.72`
NS	2	`dns2.ru-tld.ru, dns1.ru-tld.ru`
TXT	3	`v=spf1 ip4:127.0.0.1 -all, eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ...`
SOA	1	`dns.ru-tld.ru support.ru-tld.ru`

Analysis

IP Addresses

rf.su points to the IP addresses 37.187.83.72 and 176.31.179.191

Two other host names, along with mx3.pochta.com, free-ns.started.ru and xn--80ajmmce.xn--p1ai, also share IP numbers with rf.su.

Name Servers

rf.su is served by three name servers: dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru.

At least some of rf.su's name servers are shared with other domains, for example gpdnr.ru, sys3.3fn.net, 20.180.34.dobroe.ru and two more.

These name servers tend to co-occur with dns1.ru-ltd.ru, dns2.ru-ltd.ru, parking.ru-tld.ru and 4 other name servers in the same DNS delegations.

dns1.ru-tld.ru has IP address 37.187.83.72, dns2.ru-tld.ru has IP address 176.31.179.191 and dns.ru-tld.ru has IP address 185.108.84.20 — one address each.