`sfi.pl`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3035::ac43:98fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:31df^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.223^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.253^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`melinda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
MX	`sfi.ksi.ii.uj.edu.pl` ⭐
		A	149.156.65.218^{🇵🇱 CYFRONET-AS149.156.0.0/16 KRAKPOLIP}
			PTR	`sfi.ksi.ii.uj.edu.pl`
TXT	`MS=C11813FD53C57BD3C3FD819FB5972E33B2A59136`
TXT	`google-site-verification=JinH8pkL2pjWAR_XrJ8sdMdZ1JsFYn6nlSws-0HHaXM`
TXT	`google-site-verification=K1UecMP7a1G1wZim-LTh5o1xtA0XA4TxdvN7wnY-P6k`
TXT	`google-site-verification=KNqC12uxCZa600EhM5b-3BJJUiH6-CGwzBQRJ-tiR9w`
TXT	`google-site-verification=z4VBNY3ZD4y4Z2hdhrp1spiDodURg71fivSVKPvo3Jw`
TXT	`v=spf1 mx ip6:2001:470:64f1:2::10:102 include:sendgrid.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.49.223, 172.67.152.253
		IPv6	2606:4700:3035::ac43:98fd, 2606:4700:3036::6815:31df
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2399318759

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐
	NS	`b-dns.pl`
	NS	`d-dns.pl`
	NS	`f-dns.pl`
	NS	`h-dns.pl`
	NS	`j-dns.pl`
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1773473727

🔒 HSTS Preload (+subdomains)
WOT: SAFE (80/100)

Previously MX for

sfi.pl

Same first word

sfi.info

sfi.fi

sfi.co.id

sfi.lu

sfi.ae

sfi.nl

sfi.co.ug

sfi.co.ir

sfi.net.pk

sfi.ph

sfi.claims

sfi.ch

sfi.com.ar

sfi.biz

sfi.lv

sfi.be

sfi.ca

sfi.co.il

sfi.dk

sfi.ee

sfi.com.ph

sfi.de

sfi.com.mx

sfi.fr

sfi.cl

sfi.com.pk

sfi.org.pl

sfi.com.tw

sfi.com.au

sfi.co.th

sfi.eu

sfi.tc

sfi.co.jp

sfi.edu

sfi.ie

sfi.org.tw

sfi.co.kr

sfi.com.sg

sfi.pl

sfi.org

sfi.ru

sfi.jp

sfi.se

sfi.net

sfi.org.cn

sfi.com

sfi.io

sfi.agency

sfi.as

sfi.es

sfi.tokyo

sfi.uz

sfi.it

sfi.fo

sfi.at

sfi.si

sfi.me

Similar names

ifs.com.au

ifs.post

ifs.is

fsi.no

ifs.sk

fsi.company

isf.edu.hk

fis.ed.jp

fsi.com.vn

ifs.sn

sif.org.sg

fsi.fi

fsi.im

fis.gov.pt

isf.as

fis.ro

isf.ch

fis.com.br

ifs.net.co

fsi.be

fsi.com.au

sif.gov.lv

isf.com

sif.scot

isf.fi

isf.gov.qa

fis.pl

ifs.co.at

fis.ge

sif.nic.in

fsi.us

fis.org.nz

fis.direct

sif.org.au

fsi.fr

fis.support

sif.es

sif.co.uk

isf.co.za

sif.nu

ifs.one

ifs.com.ph

fsi.cl

ifs.de

fis.agency

fis.name

isf.asia

fis.biz

sif.com.tr

isf.de

ifs.hu

fis.com.hk

sif.com.mx

isf.ae

fis.ca

ifs.biz

fis.al

isf.net.au

fis.sg

isf.ee

isf.it

fis.sch.id

ifs.mx

isf.pl

isf.edu.py

ifs.net.au

isf.ca

isf.io

sif.com.py

fis.com.pl

ifs.no

fis.dk

isf.fr

isf.vu

ifs.tas.gov.au

fis.edu.hk

fis.global

fis.cz

isf.com.cn

fis.us

sif.ru

sif.ir

sif.mx

fis.gr.jp

fsi.ca

DNS History

11 records (7 active, 4 former)

●NSgreg.ns.cloudflare.com2026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

●NSmelinda.ns.cloudflare.com2026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

○NSns11.20host.pl2015-09-01 → 2016-04-09 · 4 obs

● 2015-09-01 04:23:42
● 2016-04-09 20:44:54
○ 2016-04-25 05:53:52
○ 2026-03-23 23:28:44

○NSns12.20host.pl2015-09-01 → 2016-04-09 · 4 obs

● 2015-09-01 04:23:42
● 2016-04-09 20:44:54
○ 2016-04-25 05:53:52
○ 2026-03-23 23:28:44

●MXsfi.ksi.ii.uj.edu.pl2026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

○MXsfi.pl2015-09-01 → 2016-04-09 · 4 obs

● 2015-09-01 04:23:42
● 2016-04-09 20:44:54
○ 2016-04-25 05:53:52
○ 2026-03-23 23:28:44

●A104.21.49.2232026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

●A172.67.152.2532026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

○A176.9.187.412015-09-01 → 2016-04-09 · 4 obs

● 2015-09-01 04:23:42
● 2016-04-09 20:44:54
○ 2016-04-25 05:53:52
○ 2026-03-23 23:28:44

●A2606:4700:3035::ac43:98fd2026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

●A2606:4700:3036::6815:31df2026-03-03 → 2026-03-23 · 3 obs

○ 2016-04-25 05:53:52
● 2026-03-03 05:11:04
● 2026-03-23 23:28:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
sfi.pl	melinda.ns.cloudflare.com, greg.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.115

NS records: melinda.ns.cloudflare.com, greg.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.253, 104.21.49.223`
AAAA	2	`2606:4700:3036::6815:31df, 2606:4700:3035::ac43:98fd`
NS	2	`greg.ns.cloudflare.com, melinda.ns.cloudflare.com`
MX	1	`sfi.ksi.ii.uj.edu.pl (pri: 10)`
TXT	6	`MS=C11813FD53C57BD3C3FD819FB5972E33B2A59, google-site-verification=JinH8pkL2pjWAR_...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sfi.pl resolves to four IP numbers: 2606:4700:3035::ac43:98fd, 2606:4700:3036::6815:31df, 104.21.49.223 and 172.67.152.253.

Other host names such as 2a8e2ba11950.2a8e2ba11950.kalkulator-plac.eu, chefburger.co, thepropertyinfo.com, www.zunetotal.com and weflyindia.com share IPs with sfi.pl.

Name Servers

sfi.pl is delegated to two name servers: greg.ns.cloudflare.com and melinda.ns.cloudflare.com.

sfi.pl shares the same name server setup as globula.org, radar.io, itweb.it, ilcavallinoracing.it and rivierablog.net.

sfi.pl at least partially shares name servers with other domains, for instance oc.si, sundayintheapartment.com, zammza.com, sgcoc018.com and hifiracks.co.uk.

Host names with six IP numbers:

greg.ns.cloudflare.com points to 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115.

melinda.ns.cloudflare.com points to 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198.

Mail Servers

sfi.pl is handled by a single mail server, sfi.ksi.ii.uj.edu.pl.

The mail server setup for sfi.pl mirrors that of other domains, for instance sfi.org.pl.

sfi.ksi.ii.uj.edu.pl points to a single IP: 149.156.65.218.

sfi.pl - robtex.com

sfi.pl

pl

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`sfi.pl`

`pl`