sfc.ac - robtex.com

sfc.ac

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:43f3🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:b72c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.243Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.44🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSart.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b66🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A2803:f800:50::6ca2:c166🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRart.ns.cloudflare.com
A2a06:98c1:50::ac40:2166🇺🇸 Cloudflare2a06:98c1:50::/45
PTRart.ns.cloudflare.com
A108.162.193.102🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A172.64.33.102🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A173.245.59.102🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
NSnovalee.ns.cloudflare.com
A2606:4700:50::a29f:26b6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A2803:f800:50::6ca2:c2b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnovalee.ns.cloudflare.com
A2a06:98c1:50::ac40:22b6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnovalee.ns.cloudflare.com
A108.162.194.182🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A162.159.38.182Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A172.64.34.182🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.67.243, 172.67.183.44
IPv6 hints2606:4700:3030::6815:43f3, 2606:4700:3032::ac43:b72c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOAart.ns.cloudflare.comdns@cloudflare.com serial=2408053182

ac

DNSSEC🔒 Signed (DS record present)
NSa0.nic.ac ⭐
NSa2.nic.ac
NSb0.nic.ac
NSc0.nic.ac
SOAa0.nic.achostmaster@donuts.email serial=1783261827
WOT: SAFE (65/100)

Same first word

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sfc.co.nz
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sfc.nl
sfc.edu.ph
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Similar names

fcs.nu
cfs.nu
scf.cc
fsc.gov.au
scf.ir
cfs.tj
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cfs.us
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fcs.school
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fcs.at
cfs.com.pl
csf.de
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fcs.center
csf.org.tw
fcs.com
scf.org.au
cfs.engineering
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fsc.ro
scf.ro
cfs.net
cfs.management
fsc.com.au
scf.ru
fcs.ge
csf.ac.at
fsc.ee
scf.asia
fsc.gov.tw
csf.dk
fcs.net.au
fsc.at
scf.eu
cfs.krakow.pl
cfs.ru
csf.com
scf.tv
fsc.net.br
cfs.cv
scf.email
csf.co.id
fsc.org.sa
cfs.ch
cfs.tools
csf.email
csf.cat
csf.com.au
csf.global.ssl.fastly.net
fcs.tv
cfs.be
csf.org.br
cfs.co.zm
scf.dental
csf.ie
fcs.solutions
fsc.go.jp
cfs.su
cfs.energy
cfs.id.au
fcs.rs
fsc.ws
scf.tokyo
scf.ca
scf.emp.br
csf.co.uk
fcs.cl
fsc.no
scf.se
fsc.com.pk
csf.cn
fsc.info
fsc.com.pl
cfs.com
csf.ch
cfs.eu
csf.com.cn
scf.com.ua
fsc.gov.bb
fsc.sk
fcs.lu
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fcs.ru
fsc.qa
cfs.fi
fcs.us
csf.sh
scf.jp
fsc.gov.et
fcs.org
fcs.ch
fsc.com.vn
cfs.com.ua
fcs.gr
csf.si
cfs.net.au
csf.coop
scf.cn
cfs.me
csf.com.co
fsc.cn
cfs.cz
fsc.edu.hk
fcs.swiss
fsc.se
cfs.gg
cfs.or.jp
fcs.la
fcs.si
csf.co.kr
fsc.or.jp
fcs.ci
scf.green
fsc.nl
cfs.cl
fsc.ie
fsc.com.fj
scf.no
fcs.dk
fcs.be
csf.gr
fcs.football
fcs.agency
scf.co
fcs.org.cv

DNS History

22 records (6 active, 16 former)

20162017201820192020202120222023202420252026NSart.ns.cloudflare.comnovalee.ns.cloudflare.comerin.ns.cloudflare.comns1.mediatemple.netns2.mediatemple.netscott.ns.cloudflare.comMXmail.sfc.acsfc-ac.mail.protection.outlook.comA104.21.67.243172.67.183.442606:4700:3030::6815:43f32606:4700:3032::ac43:b72c104.26.14.19104.26.15.19172.67.72.592606:4700:20::681a:e132606:4700:20::681a:f132606:4700:20::ac43:483b2606:4700:3034::ac43:b72c2606:4700:3037::6815:43f370.32.98.6272.10.48.57
●NSart.ns.cloudflare.com2026-06-21 → 2026-07-05 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
● 2026-07-05 14:38:16
○NSerin.ns.cloudflare.com2020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
●NSnovalee.ns.cloudflare.com2026-06-21 → 2026-07-05 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
● 2026-07-05 14:38:16
○NSns1.mediatemple.net2015-07-01 → 2017-09-22 · 4 obs
● 2015-07-01 11:35:22
● 2017-09-22 01:50:18
○ 2020-10-18 17:59:46
○ 2026-07-05 14:38:16
○NSns2.mediatemple.net2015-07-01 → 2017-09-22 · 4 obs
● 2015-07-01 11:35:22
● 2017-09-22 01:50:18
○ 2020-10-18 17:59:46
○ 2026-07-05 14:38:16
○NSscott.ns.cloudflare.com2020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
○MXmail.sfc.ac2015-07-01 → 2016-07-20 · 4 obs
● 2015-07-01 11:35:22
● 2016-07-20 01:47:36
○ 2016-08-18 16:27:16
○ 2026-07-05 14:38:16
○MXsfc-ac.mail.protection.outlook.com2016-08-18 → 2021-02-17 · 5 obs
○ 2016-07-20 01:47:36
● 2016-08-18 16:27:16
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
●A104.21.67.2432026-06-21 → 2026-07-05 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
● 2026-07-05 14:38:16
○A104.26.14.192020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
○A104.26.15.192020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
●A172.67.183.442026-06-21 → 2026-07-05 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
● 2026-07-05 14:38:16
○A172.67.72.592020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
○A2606:4700:20::681a:e132020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
○A2606:4700:20::681a:f132020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
○A2606:4700:20::ac43:483b2020-10-18 → 2021-02-17 · 5 obs
○ 2017-09-22 01:50:18
● 2020-10-18 17:59:46
● 2021-02-17 21:46:22
○ 2026-03-31 03:08:54
○ 2026-07-05 14:38:16
●A2606:4700:3030::6815:43f32026-07-05 → 2026-07-05 · 2 obs
○ 2026-06-21 11:36:36
● 2026-07-05 14:38:16
●A2606:4700:3032::ac43:b72c2026-07-05 → 2026-07-05 · 2 obs
○ 2026-06-21 11:36:36
● 2026-07-05 14:38:16
○A2606:4700:3034::ac43:b72c2026-06-21 → 2026-06-21 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
○ 2026-07-05 14:38:16
○A2606:4700:3037::6815:43f32026-06-21 → 2026-06-21 · 3 obs
○ 2026-03-31 03:08:54
● 2026-06-21 11:36:36
○ 2026-07-05 14:38:16
○A70.32.98.622015-07-01 → 2016-01-07 · 4 obs
● 2015-07-01 11:35:22
● 2016-01-07 02:12:54
○ 2016-03-07 00:08:36
○ 2026-07-05 14:38:16
○A72.10.48.572016-03-07 → 2017-09-22 · 5 obs
○ 2016-01-07 02:12:54
● 2016-03-07 00:08:36
● 2017-09-22 01:50:18
○ 2020-10-18 17:59:46
○ 2026-07-05 14:38:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
aca0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac8 records
sfc.acnovalee.ns.cloudflare.com, art.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.102

NS records: novalee.ns.cloudflare.com, art.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfc.ac (unsigned zone)

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.67.243, 172.67.183.44
AAAA22606:4700:3032::ac43:b72c, 2606:4700:3030::6815:43f3
NS2art.ns.cloudflare.com, novalee.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1art.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.ac, a0.nic.ac, a2.nic.ac...)

Analysis

IP Addresses

sfc.ac directs to four IP numbers, which are 104.21.67.243, 172.67.183.44, 2606:4700:3030::6815:43f3 and 2606:4700:3032::ac43:b72c.

qpt9.cn, www.foundationmedicine.al, mail.omtiva.com plus two other host names have IP numbers in common with sfc.ac.

Name Servers

The NS records for sfc.ac delegate to art.ns.cloudflare.com and novalee.ns.cloudflare.com.

The name server configuration of sfc.ac is shared with other domains, for instance totomacau.eu, situsku88.com, lussumo.com and two others.

There is at least partial name server overlap between sfc.ac and other domains — cartelostore.com, validaracessospj.digital, timoteo.pl and two more among them.

The name servers christian.ns.cloudflare.com, fay.ns.cloudflare.com and jo.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

art.ns.cloudflare.com maps to 108.162.193.102, 172.64.33.102, 173.245.59.102 and 3 additional IP addresses.

novalee.ns.cloudflare.com maps to 108.162.194.182, 162.159.38.182, 172.64.34.182 and 3 additional IP addresses.