`rsf.is`

DNSSEC	⚠️ Not signed
A	3.167.88.51^{🇺🇸 Amazon}
		PTR	`server-3-167-88-51.iad55.r.cloudfront.net`
A	3.167.88.55^{🇺🇸 Amazon}
A	3.167.88.60^{🇺🇸 Amazon}
A	3.167.88.100^{🇺🇸 Amazon}
NS	`ns-1147.awsdns-15.org` ⭐
		A	2600:9000:5304:7b00::1^{🇺🇸 Amazon}
			PTR	`ns-1147.awsdns-15.org`
		A	205.251.196.123^{🇺🇸 Amazon}
			PTR	`ns-1147.awsdns-15.org`
NS	`ns-1869.awsdns-41.co.uk`
		A	2600:9000:5307:4d00::1^{🇺🇸 Amazon}
			PTR	`ns-1869.awsdns-41.co.uk`
		A	205.251.199.77^{🇺🇸 Amazon}
			PTR	`ns-1869.awsdns-41.co.uk`
NS	`ns-45.awsdns-05.com`
		A	2600:9000:5300:2d00::1^{🇺🇸 Amazon}
			PTR	`ns-45.awsdns-05.com`
		A	205.251.192.45^{🇺🇸 Amazon}
			PTR	`ns-45.awsdns-05.com`
NS	`ns-722.awsdns-26.net`
		A	2600:9000:5302:d200::1^{🇺🇸 Amazon}
			PTR	`ns-722.awsdns-26.net`
		A	205.251.194.210^{🇺🇸 Amazon}
			PTR	`ns-722.awsdns-26.net`
MX	`rsf-is.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com include:amazonses.com -all`
SOA	`ns-1147.awsdns-15.org`awsdns-hostmaster@amazon.com serial=1

`is`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.is` ⭐
	NS	`b.nic.is`
	NS	`c.nic.is`
	NS	`d.nic.is`
	NS	`e.nic.is`
	NS	`f.nic.is` ⚠️ Not in parent delegation
	SOA	`a.nic.is`hostmaster@isnic.is serial=1771290612

Same first word

rsf.is

rsf.fo

rsf.us

rsf.de

rsf.ch

rsf.fr

rsf.es

rsf.dk

rsf.pl

rsf.org.pk

rsf.jp

rsf.cz

rsf.com

rsf.me

rsf.se

rsf.cc

rsf.com.my

rsf.fi

rsf.in

rsf.co

rsf.com.cn

rsf.lu

rsf.su

rsf.eu

rsf.k12.ca.us

rsf.gov.sd

rsf.nl

rsf.ru

rsf.press

rsf.kr

rsf.com.pl

rsf.co.il

rsf.com.au

rsf.properties

rsf.rentals

rsf.be

rsf.ro

rsf.co.uk

rsf.at

rsf.it

rsf.org

Similar names

sfr.fr

rfs.com.tr

sfr.net

rfs.me

srf.no

frs.com

sfr.info

rfs.ro

rfs.gov.kz

frs.ir

rfs.cz

frs.world

sfr.pro

sfr.ma

frs.dk

rfs.cn

fsr.co.za

sfr.tel

srf.email

sfr.business

frs.nl

fsr.fi

frs.cz

fsr.co.id

rfs.nu

fsr.eu

frs.gov.tw

frs.edu.br

fsr.fail

srf.sk

fsr.com

frs.solutions

srf.com.au

sfr.fi

rfs.co

sfr.vn

frs.gr

sfr.re

frs.it

srf.ch

rfs.agency

srf.nyc

sfr.li

sfr.ca

srf.kz

frs.eu

rfs.fr

frs.co.uk

srf.com.mx

frs.company

fsr.us

sfr.ie

rfs.jp

frs.gmbh

sfr.co.za

frs.de

fsr.org

frs.co.in

rfs.pt

fsr.co

sfr.co

srf.se

fsr.org.pl

rfs.at

rfs.co.th

srf.eu

srf.de

srf.life

sfr.cl

rfs.edu.ps

srf.im

srf.or.jp

srf.co.jp

fsr.de

frs.academy

srf.xyz

sfr.com.au

srf.be

fsr.ca

fsr.ac.ma

frs.jp

rfs.de

srf.org

sfr.com.tr

fsr.info

srf.network

fsr.com.ru

sfr.gr

rfs.com.au

frs.international

sfr.red

fsr.at

srf.lt

frs.info

sfr.se

fsr.net

frs.com.br

sfr.gov.ru

rfs.lt

srf.company

fsr.co.ir

sfr.dk

rfs.se

srf.co.nz

fsr.pl

frs.email

fsr.com.tw

fsr.cz

sfr.live

frs.com.au

sfr.gp

frs.ie

sfr.no

sfr.holdings

frs.be

rfs.sk

fsr.jp

srf.com.tr

sfr.sk

rfs.is

frs.by

sfr.kiev.ua

frs.no

srf.tokyo

DNS History

24 records (9 active, 15 former)

●NSns-1147.awsdns-15.org2026-02-15 → 2026-02-22 · 3 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
● 2026-02-22 06:55:34

●NSns-1869.awsdns-41.co.uk2026-02-15 → 2026-02-22 · 3 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
● 2026-02-22 06:55:34

●NSns-45.awsdns-05.com2026-02-15 → 2026-02-22 · 3 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
● 2026-02-22 06:55:34

●NSns-722.awsdns-26.net2026-02-15 → 2026-02-22 · 3 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
● 2026-02-22 06:55:34

○NSns0.hysingar.is2015-08-09 → 2017-07-21 · 4 obs

● 2015-08-09 11:32:12
● 2017-07-21 09:43:04
○ 2026-02-15 09:09:54
○ 2026-02-22 06:55:34

○NSns1.hysingar.is2015-08-09 → 2017-07-21 · 4 obs

● 2015-08-09 11:32:12
● 2017-07-21 09:43:04
○ 2026-02-15 09:09:54
○ 2026-02-22 06:55:34

●MXrsf-is.mail.protection.outlook.com2015-08-09 → 2026-02-22 · 2 obs

● 2015-08-09 11:32:12
● 2026-02-22 06:55:34

○A108.156.39.1272026-02-15 → 2026-02-15 · 4 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
○ 2026-02-18 10:52:56
○ 2026-02-22 06:55:34

○A108.156.39.512026-02-15 → 2026-02-15 · 4 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
○ 2026-02-18 10:52:56
○ 2026-02-22 06:55:34

○A108.156.39.522026-02-15 → 2026-02-15 · 4 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
○ 2026-02-18 10:52:56
○ 2026-02-22 06:55:34

○A108.156.39.812026-02-15 → 2026-02-15 · 4 obs

○ 2017-07-21 09:43:04
● 2026-02-15 09:09:54
○ 2026-02-18 10:52:56
○ 2026-02-22 06:55:34

○A13.32.230.1202026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-15 09:09:54
● 2026-02-18 10:52:56
○ 2026-02-18 16:19:46
○ 2026-02-22 06:55:34

○A13.32.230.1222026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-15 09:09:54
● 2026-02-18 10:52:56
○ 2026-02-18 16:19:46
○ 2026-02-22 06:55:34

○A13.32.230.732026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-15 09:09:54
● 2026-02-18 10:52:56
○ 2026-02-18 16:19:46
○ 2026-02-22 06:55:34

○A13.32.230.762026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-15 09:09:54
● 2026-02-18 10:52:56
○ 2026-02-18 16:19:46
○ 2026-02-22 06:55:34

○A213.181.99.2062015-08-09 → 2017-07-21 · 4 obs

● 2015-08-09 11:32:12
● 2017-07-21 09:43:04
○ 2026-02-15 09:09:54
○ 2026-02-22 06:55:34

●A3.167.88.1002026-02-18 → 2026-02-22 · 17 obs

○ 2026-02-18 16:19:46
● 2026-02-18 19:51:32
● 2026-02-18 21:35:02
○ 2026-02-19 00:21:00
● 2026-02-19 08:11:14
○ 2026-02-19 17:33:20
● 2026-02-19 22:20:46
○ 2026-02-20 05:22:00
● 2026-02-20 10:18:36
○ 2026-02-20 11:49:20
○ 2026-02-21 11:44:32
● 2026-02-21 14:22:50
● 2026-02-21 15:51:52
○ 2026-02-21 23:11:38
○ 2026-02-22 04:35:56
● 2026-02-22 06:55:32
● 2026-02-22 06:55:34

●A3.167.88.512026-02-18 → 2026-02-22 · 17 obs

●A3.167.88.552026-02-18 → 2026-02-22 · 17 obs

●A3.167.88.602026-02-18 → 2026-02-22 · 17 obs

○A52.84.118.132026-02-18 → 2026-02-22 · 18 obs

○ 2026-02-18 10:52:56
● 2026-02-18 16:19:46
○ 2026-02-18 19:51:32
○ 2026-02-18 21:35:02
● 2026-02-19 00:21:00
○ 2026-02-19 08:11:14
● 2026-02-19 17:33:20
○ 2026-02-19 22:20:46
● 2026-02-20 05:22:00
○ 2026-02-20 10:18:36
● 2026-02-20 11:49:20
● 2026-02-21 11:44:32
○ 2026-02-21 14:22:50
○ 2026-02-21 15:51:52
● 2026-02-21 23:11:38
● 2026-02-22 04:35:56
○ 2026-02-22 06:55:32
○ 2026-02-22 06:55:34

○A52.84.118.742026-02-18 → 2026-02-22 · 18 obs

○A52.84.118.872026-02-18 → 2026-02-22 · 18 obs

○A52.84.118.972026-02-18 → 2026-02-22 · 18 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
is	a.nic.is, c.nic.is, d.nic.is, e.nic.is...	10 records
rsf.is	ns-45.awsdns-05.com, ns-722.awsdns-26.net, ns-1147.awsdns-15.org, ns-1869.awsdns-41.co.uk	-

✅ Authoritative Response

Server: 205.251.196.123

NS records: ns-45.awsdns-05.com, ns-722.awsdns-26.net, ns-1147.awsdns-15.org, ns-1869.awsdns-41.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsf.is (unsigned zone)

⏱️ Timing

Total: 730ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.88.60, 3.167.88.55...`
NS	4	`ns-1147.awsdns-15.org, ns-1869.awsdns-41.co.uk...`
MX	1	`rsf-is.mail.protection.outlook.com (pri:`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns-1147.awsdns-15.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.is, a.nic.is, c.nic.is...)

AI analysis

rsf.is points to four IP numbers: 3.167.88.51, 3.167.88.55, 3.167.88.60 and 3.167.88.100.

Other host names, for instance server-3-167-88-100.iad55.r.cloudfront.net, d10jaos66zfn17.cloudfront.net, timothypepin.com, eresources.prod.nlb.gov.sg and lastminute.info share IP numbers with rsf.is.

rsf.is is delegated to four name servers: ns-45.awsdns-05.com, ns-722.awsdns-26.net, ns-1147.awsdns-15.org and ns-1869.awsdns-41.co.uk.

rsf.is at least partially shares its name servers with other domains, for instance nutnut.ee, prod.redbox.systems, inetzone.com, d1zn0svit82iw8.cloudfront.net and autoguidehq.com.

These name servers are commonly used with ns-428.awsdns-53.com, ns-1043.awsdns-02.org and ns-1684.awsdns-18.co.uk.

Host names with two IPs: ns-45.awsdns-05.com points to 2600:9000:5300:2d00::1 and 205.251.192.45; ns-722.awsdns-26.net points to 2600:9000:5302:d200::1 and 205.251.194.210; ns-1147.awsdns-15.org points to 2600:9000:5304:7b00::1 and 205.251.196.123; ns-1869.awsdns-41.co.uk points to 2600:9000:5307:4d00::1 and 205.251.199.77.

rsf.is is served by a single mail server, rsf-is.mail.protection.outlook.com.

rsf.is - robtex.com

rsf.is

is

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`rsf.is`

`is`