rtfb.org - dns.ninja

`rtfb.org`

DNSSEC	⚠️ Not signed
A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
		PTR	`any-in-2001-4860-4802-32--15.1e100.net`
A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
NS	`ns1.wordpress.com` ⭐
		A	2a04:fa87:ffff::c6b5:7409^{🇮🇪 Automattic2a04:fa87:ffff::/48}
			PTR	`ns1.wordpress.com`
		A	198.181.116.9^{🇺🇸 Automattic198.181.116.0/24 Route Object}
			PTR	`ns1.wordpress.com`
NS	`ns2.wordpress.com`
		A	2a04:fa87:ffff::c6b5:7509^{🇮🇪 Automattic2a04:fa87:ffff::/48}
			PTR	`ns2.wordpress.com`
		A	198.181.117.9^{🇺🇸 Automattic198.181.117.0/24 Route Object}
			PTR	`ns2.wordpress.com`
NS	`ns3.wordpress.com`
		A	2620:115:c00f::c000:4a09^{🇺🇸 Automattic2620:115:c00f::/48 Route6 Object}
			PTR	`ns3.wordpress.com`
		A	192.0.74.9^{🇺🇸 Automattic192.0.74.0/24 Route Object}
			PTR	`ns3.wordpress.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns1.wordpress.com`hostmaster@wordpress.com 2023-11-03 #5

`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=1783094724

Same first word

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rtfb.com

rtfb.net

rtfb.lt

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rtfb.shop

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ftbr.de

tbfr.xyz

rtbf.fr

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frbt.com

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btfr.cc

DNS History

20 records (13 active, 7 former)

○NSns-cloud-b1.googledomains.com2019-12-22 → 2019-12-22 · 4 obs

○ 2017-03-14 01:12:42
● 2019-12-22 15:01:06
○ 2026-02-17 00:39:30
○ 2026-07-03 16:40:20

○NSns-cloud-b2.googledomains.com2019-12-22 → 2019-12-22 · 4 obs

○ 2017-03-14 01:12:42
● 2019-12-22 15:01:06
○ 2026-02-17 00:39:30
○ 2026-07-03 16:40:20

○NSns-cloud-b3.googledomains.com2019-12-22 → 2019-12-22 · 4 obs

○ 2017-03-14 01:12:42
● 2019-12-22 15:01:06
○ 2026-02-17 00:39:30
○ 2026-07-03 16:40:20

○NSns-cloud-b4.googledomains.com2019-12-22 → 2019-12-22 · 4 obs

○ 2017-03-14 01:12:42
● 2019-12-22 15:01:06
○ 2026-02-17 00:39:30
○ 2026-07-03 16:40:20

●NSns1.wordpress.com2026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

○NSns11.domaincontrol.com2015-08-16 → 2017-03-14 · 4 obs

● 2015-08-16 04:38:06
● 2017-03-14 01:12:42
○ 2019-12-22 15:01:06
○ 2026-07-03 16:40:20

○NSns12.domaincontrol.com2015-08-16 → 2017-03-14 · 4 obs

● 2015-08-16 04:38:06
● 2017-03-14 01:12:42
○ 2019-12-22 15:01:06
○ 2026-07-03 16:40:20

●NSns2.wordpress.com2026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●NSns3.wordpress.com2026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●MXmailstore1.secureserver.net2015-08-16 → 2026-07-03 · 2 obs

● 2015-08-16 04:38:06
● 2026-07-03 16:40:20

●MXsmtp.secureserver.net2015-08-16 → 2026-07-03 · 2 obs

● 2015-08-16 04:38:06
● 2026-07-03 16:40:20

○A184.168.221.72015-08-16 → 2019-12-22 · 4 obs

● 2015-08-16 04:38:06
● 2019-12-22 15:01:06
○ 2026-02-17 00:39:30
○ 2026-07-03 16:40:20

●A2001:4860:4802:32::152026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A2001:4860:4802:34::152026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A2001:4860:4802:36::152026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A2001:4860:4802:38::152026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A216.239.32.212026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A216.239.34.212026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A216.239.36.212026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

●A216.239.38.212026-02-17 → 2026-07-03 · 3 obs

○ 2019-12-22 15:01:06
● 2026-02-17 00:39:30
● 2026-07-03 16:40:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rtfb.org	ns3.wordpress.com, ns1.wordpress.com, ns2.wordpress.com	-

✅ Authoritative Response

Server:192.0.74.9

NS records: ns3.wordpress.com, ns1.wordpress.com, ns2.wordpress.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfb.org (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.38.21, 216.239.36.21...`
AAAA	4	`2001:4860:4802:38::15, 2001:4860:4802:32::15...`
NS	3	`ns2.wordpress.com, ns3.wordpress.com...`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns1.wordpress.com hostmaster.wordpress.c`

Analysis

IP Addresses

rtfb.org directs to 8 IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 5 other.

Two other host names, along with themoo.net, stoler.ru and cyberviking.org, also share IP numbers with rtfb.org.

Name Servers

rtfb.org is delegated to three name servers: ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.

rtfb.org has at least partial name server overlap with other domains, such as amybrowningart.com, ventureitconsulting.com, obsidian-construction.com and two others.

ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com each resolve to two IP addresses: ns1.wordpress.com resolves to 198.181.116.9 and 2a04:fa87:ffff::c6b5:7409; ns2.wordpress.com resolves to 198.181.117.9 and 2a04:fa87:ffff::c6b5:7509; ns3.wordpress.com resolves to 192.0.74.9 and 2620:115:c00f::c000:4a09.

Mail Servers

rtfb.org is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.

Among the domains sharing a mail server setup with rtfb.org are nagandla.com, illuha.com, jscusa.com and two others.

The mail servers of rtfb.org are at least partially shared with other domains, including schotanus.com.

mailstore1.secureserver.net and smtp.secureserver.net each have three IP addresses — mailstore1.secureserver.net directs to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net directs to 216.69.141.71, 216.69.141.84 and 216.69.141.113.