rtfr.org - dns.ninja

`rtfr.org`

DNSSEC	⚠️ Not signed
NS	`pdns73.ultradns.com` ⭐
		A	2001:502:f3ff::6d^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns73.ultradns.com`
		A	156.154.64.73^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns73.ultradns.com`
NS	`pdns73.ultradns.biz`
		A	2610:a1:1015::6d^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns73.ultradns.biz`
		A	156.154.66.73^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns73.ultradns.biz`
NS	`pdns73.ultradns.co.uk`
		A	2610:a1:1017::6d^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns73.ultradns.co.uk`
		A	156.154.69.73^{🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar}
			PTR	`pdns73.ultradns.co.uk`
NS	`pdns73.ultradns.info`
		A	2610:a1:1016::6d^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns73.ultradns.info`
		A	156.154.68.73^{🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar}
			PTR	`pdns73.ultradns.info`
NS	`pdns73.ultradns.net`
		A	2610:a1:1014::6d^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns73.ultradns.net`
		A	156.154.65.73^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns73.ultradns.net`
NS	`pdns73.ultradns.org`
		A	2001:502:4612::6d^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns73.ultradns.org`
		A	156.154.67.73^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns73.ultradns.org`
MX	`rtfr-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`MS=ms53516583`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`pdns73.ultradns.com`mcl@gracemsp.com 2026-01-06 #7

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786621853

Subdomains

www.rtfr.org

Same first word

rtfr.com

rtfr.org

Similar names

trrf.com.br

ftrr.cn

trrf.de

rtrf.com

frrt.com

frrt.org

ftrr.hr

rrtf.com

frrt.eu

rfrt.com

rrtf.com.br

rftr.com.tr

trfr.com

rftr.ru

trfr.de

frtr.com

trrf.ru

rrtf.org

rtrf.com.cn

trrf.com

frtr.de

tfrr.com

tfrr.org

trrf.org

frtr.gov

frtr.org

rftr.com

rrtf.cn

DNS History

12 records (7 active, 5 former)

○NSns29.domaincontrol.com2015-07-21 → 2018-07-14 · 4 obs

● 2015-07-21 07:55:18
● 2018-07-14 12:25:52
○ 2026-03-17 10:33:44
○ 2026-08-13 12:30:58

○NSns30.domaincontrol.com2015-07-21 → 2018-07-14 · 4 obs

● 2015-07-21 07:55:18
● 2018-07-14 12:25:52
○ 2026-03-17 10:33:44
○ 2026-08-13 12:30:58

●NSpdns73.ultradns.biz2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

●NSpdns73.ultradns.co.uk2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

●NSpdns73.ultradns.com2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

●NSpdns73.ultradns.info2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

●NSpdns73.ultradns.net2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

●NSpdns73.ultradns.org2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

○MXmailstore1.secureserver.net2015-07-21 → 2018-07-14 · 4 obs

● 2015-07-21 07:55:18
● 2018-07-14 12:25:52
○ 2026-03-17 10:33:44
○ 2026-08-13 12:30:58

●MXrtfr-org.mail.protection.outlook.com2026-03-17 → 2026-08-13 · 3 obs

○ 2018-07-14 12:25:52
● 2026-03-17 10:33:44
● 2026-08-13 12:30:58

○MXsmtp.secureserver.net2015-07-21 → 2018-07-14 · 4 obs

● 2015-07-21 07:55:18
● 2018-07-14 12:25:52
○ 2026-03-17 10:33:44
○ 2026-08-13 12:30:58

○A192.186.192.662015-07-21 → 2018-07-14 · 4 obs

● 2015-07-21 07:55:18
● 2018-07-14 12:25:52
○ 2026-03-17 10:33:44
○ 2026-08-13 12:30:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rtfr.org	pdns73.ultradns.org, pdns73.ultradns.info, pdns73.ultradns.com, pdns73.ultradns.co.uk...	2 records

✅ Authoritative Response

Server:156.154.66.73

NS records: pdns73.ultradns.org, pdns73.ultradns.info, pdns73.ultradns.com, pdns73.ultradns.co.uk, pdns73.ultradns.net, pdns73.ultradns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfr.org (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`pdns73.ultradns.co.uk, pdns73.ultradns.biz...`
MX	1	`rtfr-org.mail.protection.outlook.com (pr`
TXT	2	`MS=ms53516583, v=spf1 include:spf.protection.outlook.co`
SOA	1	`pdns73.ultradns.com mcl.gracemsp.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns73.ultradns.org, pdns73.ultradns.org)

Analysis

Hierarchy

www.rtfr.org is a subdomain of rtfr.org.

Name Servers

rtfr.org has 6 name servers — pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.info and 3 others.

The name servers of rtfr.org overlap at least partially with those of other domains — among them j668b.com, weary-version.pro, largeboyfriend.com and two more.

The name servers pdns73.ultradns.net, pdns73.ultradns.org and pdns73.ultradns.co.uk are commonly seen alongside these name servers.

Hostnames that resolve to two IP addresses:

pdns73.ultradns.biz resolves to 156.154.66.73 and 2610:a1:1015::6d.

pdns73.ultradns.com resolves to 156.154.64.73 and 2001:502:f3ff::6d.

pdns73.ultradns.info resolves to 156.154.68.73 and 2610:a1:1016::6d.

pdns73.ultradns.net resolves to 156.154.65.73 and 2610:a1:1014::6d.

pdns73.ultradns.org resolves to 156.154.67.73 and 2001:502:4612::6d.

pdns73.ultradns.co.uk resolves to 156.154.69.73 and 2610:a1:1017::6d.

Mail Servers

Mail for rtfr.org is handled by a single mail server, rtfr-org.mail.protection.outlook.com.

rtfr-org.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.9.2, 52.101.11.15, 52.101.41.58 and 5 others.