srff.org - dns.ninja

`srff.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d6ab^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:25e4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.228^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.171^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gerald.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gerald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gerald.ns.cloudflare.com`
		A	108.162.193.168^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	172.64.33.168^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	173.245.59.168^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
NS	`summer.ns.cloudflare.com`
		A	2606:4700:50::a29f:2609^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c209^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`summer.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2209^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`summer.ns.cloudflare.com`
		A	108.162.194.9^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	162.159.38.9^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	172.64.34.9^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
MX	`mail.icentrics.com` ⭐
		A	207.178.215.101^{🇺🇸 RoadRunner207.178.128.0/17 Key Information 207.178.128.0/17 block}
			PTR	`mail.unioncentrics.com`
TXT	`v=spf1 a ip4:207.178.215.101 include:spf.mtaroutes.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.228, 172.67.214.171
		IPv6 hints	2606:4700:3032::ac43:d6ab, 2606:4700:3034::6815:25e4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`gerald.ns.cloudflare.com`dns@cloudflare.com serial=2409949028

`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=1785628201

Same first word

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srff.ge

srff.dk

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srff.org

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srff.se

srff.io

Similar names

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rffs.com

ffsr.fr

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sffr.is

ffrs.fr

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rffs.net

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frsf.ca

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ffsr.at

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frfs.ru

rfsf.de

rsff.net

ffsr.ru

ffrs.com

sffr.com

rsff.blogspot.com

sffr.org

sfrf.ca

DNS History

13 records (7 active, 6 former)

●NSgerald.ns.cloudflare.com2026-02-26 → 2026-08-02 · 3 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
● 2026-08-02 00:00:30

○NSns1.internetcentrics.com2015-05-17 → 2017-03-23 · 8 obs

● 2015-05-17 08:23:40
● 2015-10-10 16:49:34
○ 2015-12-08 04:36:46
○ 2016-03-17 22:38:22
● 2016-07-20 05:39:54
● 2017-03-23 09:42:58
○ 2026-02-26 17:40:40
○ 2026-08-02 00:00:30

○NSns2.internetcentrics.com2015-05-17 → 2017-03-23 · 8 obs

● 2015-05-17 08:23:40
○ 2015-10-10 16:49:34
● 2015-12-08 04:36:46
● 2016-03-17 22:38:22
○ 2016-07-20 05:39:54
● 2017-03-23 09:42:58
○ 2026-02-26 17:40:40
○ 2026-08-02 00:00:30

●NSsummer.ns.cloudflare.com2026-02-26 → 2026-08-02 · 3 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
● 2026-08-02 00:00:30

●MXmail.icentrics.com2026-02-26 → 2026-08-02 · 3 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
● 2026-08-02 00:00:30

○MXmail.unioncentrics.com2015-05-17 → 2017-03-23 · 4 obs

● 2015-05-17 08:23:40
● 2017-03-23 09:42:58
○ 2026-02-26 17:40:40
○ 2026-08-02 00:00:30

●A104.21.37.2282026-02-26 → 2026-08-02 · 3 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
● 2026-08-02 00:00:30

●A172.67.214.1712026-02-26 → 2026-08-02 · 3 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
● 2026-08-02 00:00:30

○A207.178.209.1752015-05-17 → 2017-03-23 · 4 obs

● 2015-05-17 08:23:40
● 2017-03-23 09:42:58
○ 2026-02-26 17:40:40
○ 2026-08-02 00:00:30

●A2606:4700:3032::ac43:d6ab2026-06-26 → 2026-08-02 · 3 obs

○ 2026-02-26 17:40:40
● 2026-06-26 21:10:14
● 2026-08-02 00:00:30

●A2606:4700:3034::6815:25e42026-06-26 → 2026-08-02 · 3 obs

○ 2026-02-26 17:40:40
● 2026-06-26 21:10:14
● 2026-08-02 00:00:30

○A2606:4700:3036::ac43:d6ab2026-02-26 → 2026-02-26 · 4 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
○ 2026-06-26 21:10:14
○ 2026-08-02 00:00:30

○A2606:4700:3037::6815:25e42026-02-26 → 2026-02-26 · 4 obs

○ 2017-03-23 09:42:58
● 2026-02-26 17:40:40
○ 2026-06-26 21:10:14
○ 2026-08-02 00:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
srff.org	gerald.ns.cloudflare.com, summer.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.9

NS records: gerald.ns.cloudflare.com, summer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for srff.org (unsigned zone)

⏱️ Timing

Total: 373ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.228, 172.67.214.171`
AAAA	2	`2606:4700:3032::ac43:d6ab, 2606:4700:3034::6815:25e4`
NS	2	`gerald.ns.cloudflare.com, summer.ns.cloudflare.com`
MX	1	`mail.icentrics.com (pri: 0)`
TXT	1	`v=spf1 a ip4:207.178.215.101 include:spf`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gerald.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

srff.org has four IP addresses: 104.21.37.228, 172.67.214.171, 2606:4700:3032::ac43:d6ab and 2606:4700:3034::6815:25e4.

20twentyoptical.com, campingworldrvs.com, nghiencuuquocte.net plus two other host names have IP numbers in common with srff.org.

Name Servers

Two name servers handle the delegation for srff.org: gerald.ns.cloudflare.com and summer.ns.cloudflare.com.

The name server configuration of srff.org is shared with other domains, for instance kovatchcastings.us, psoa.com, eastforkfire.com and two others.

srff.org partially shares its NS delegation with several other domains, including timpringle.com.au, wunderslice.com, stdchtrdbza.com and two others.

These name servers regularly co-occur with the name servers michael.ns.cloudflare.com, cruz.ns.cloudflare.com and eoin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

gerald.ns.cloudflare.com resolves to 108.162.193.168, 172.64.33.168 and 173.245.59.168 among others, with 3 other IP addresses in total.

summer.ns.cloudflare.com resolves to 108.162.194.9, 162.159.38.9 and 172.64.34.9 among others, with 3 other IP addresses in total.

Mail Servers

srff.org uses one mail server — mail.icentrics.com.

The mail server setup of srff.org matches that of other domains such as vpff.net, iaff465.com, hazmat.org and two others.

At least a portion of srff.org's mail servers are also used by other domains, for example vpff.org.

mail.icentrics.com carries a single IP number, which is 207.178.215.101.