rtfc.ca - dns.ninja

rtfc.ca

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:c55d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5cc5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.92.197Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.93🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdahlia.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A2803:f800:50::6ca2:c059🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdahlia.ns.cloudflare.com
A2a06:98c1:50::ac40:2059🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdahlia.ns.cloudflare.com
A108.162.192.89🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A172.64.32.89🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A173.245.58.89🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
NSsevki.ns.cloudflare.com
A2606:4700:58::a29f:2ca4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A2803:f800:50::6ca2:c3a4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsevki.ns.cloudflare.com
A2a06:98c1:50::ac40:23a4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsevki.ns.cloudflare.com
A108.162.195.164🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A162.159.44.164Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A172.64.35.164🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
MXrtfc-ca.mail.protection.outlook.com ⭐
A2a01:111:f403:c942::🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yt5pr01cu00100.inbound.protection.outlook.com
A2a01:111:f403:c942::1🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yt3pr01cu00701.inbound.protection.outlook.com
A2a01:111:f403:c942::2🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yt3pr01cu00602.inbound.protection.outlook.com
A2a01:111:f403:c944::🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yqzpr01cu00900.inbound.protection.outlook.com
A52.101.190.0🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yt5pr01cu00100.inbound.protection.outlook.com
A52.101.190.1🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yt3pr01cu00701.inbound.protection.outlook.com
A52.101.192.0🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yqzpr01cu00900.inbound.protection.outlook.com
A52.101.192.1🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yqzpr01cu01001.inbound.protection.outlook.com
TXTv=spf1 redirect=_sjaszbf9r.sdmarc.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.92.197, 172.67.197.93
IPv6 hints2606:4700:3035::ac43:c55d, 2606:4700:3037::6815:5cc5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2404342631

ca

DNSSEC🔒 Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2606250730

Same first word

rtfc.org
rtfc.org.uk
rtfc.ca
rtfc.co.uk
rtfc.eu
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rtfc.coop
rtfc.net
rtfc.de

Similar names

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fcrt.ru
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tcrf.de
tfrc.com
rfct.org
crft.eu
tfrc.net
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cfrt.fr
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ctfr.it
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tcrf.com
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tfcr.com
trfc.com
tcrf.net
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cftr.fr
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crtf.ru
ctrf.eu
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trfc.link
ftrc.herokuapp.com
cfrt.de
fcrt.ac.uk
cftr.info
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ftcr.com
ctfr.com
cftr.eu
tfrc.co.uk
ftrc.me
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rftc.nl
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rfct.ru
tfrc.com.au
ctfr.de
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fctr.net
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tcrf.cn
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cfrt.tv
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ftrc.co.uk
frtc.com
trfc.de
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cftr.net
rfct.com.br
crft.dev
cfrt.com
tfrc.gr
tcfr.com
cftr.nl
frtc.net
fctr.be
crft.de
ftcr.net
crtf.com
trfc.net
rfct.cn

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSdahlia.ns.cloudflare.comsevki.ns.cloudflare.comns1.meganameservers.comns2.meganameservers.comns3.meganameservers.comMXrtfc-ca.mail.protection.outlook.commail1.no-ip.commail2.no-ip.comA104.21.92.197172.67.197.932606:4700:3035::ac43:c55d2606:4700:3037::6815:5cc52606:4700:130:436c:6f75:6466:6c61:72652606:4700:3036::6815:5cc52606:4700:3036::ac43:c55d
●NSdahlia.ns.cloudflare.com2026-02-14 → 2026-06-25 · 3 obs
○ 2016-11-18 03:32:18
● 2026-02-14 22:56:50
● 2026-06-25 08:38:06
○NSns1.meganameservers.com2015-08-15 → 2016-11-18 · 4 obs
● 2015-08-15 05:53:46
● 2016-11-18 03:32:18
○ 2026-02-14 22:56:50
○ 2026-06-25 08:38:06
○NSns2.meganameservers.com2015-08-15 → 2016-11-18 · 4 obs
● 2015-08-15 05:53:46
● 2016-11-18 03:32:18
○ 2026-02-14 22:56:50
○ 2026-06-25 08:38:06
○NSns3.meganameservers.com2015-08-15 → 2016-11-18 · 4 obs
● 2015-08-15 05:53:46
● 2016-11-18 03:32:18
○ 2026-02-14 22:56:50
○ 2026-06-25 08:38:06
●NSsevki.ns.cloudflare.com2026-02-14 → 2026-06-25 · 3 obs
○ 2016-11-18 03:32:18
● 2026-02-14 22:56:50
● 2026-06-25 08:38:06
○MXmail1.no-ip.com2015-08-15 → 2016-11-18 · 4 obs
● 2015-08-15 05:53:46
● 2016-11-18 03:32:18
○ 2026-02-14 22:56:50
○ 2026-06-25 08:38:06
○MXmail2.no-ip.com2015-08-15 → 2016-11-18 · 4 obs
● 2015-08-15 05:53:46
● 2016-11-18 03:32:18
○ 2026-02-14 22:56:50
○ 2026-06-25 08:38:06
●MXrtfc-ca.mail.protection.outlook.com2026-02-14 → 2026-06-25 · 3 obs
○ 2016-11-18 03:32:18
● 2026-02-14 22:56:50
● 2026-06-25 08:38:06
●A104.21.92.1972026-02-14 → 2026-06-25 · 2 obs
● 2026-02-14 22:56:50
● 2026-06-25 08:38:06
●A172.67.197.932026-02-14 → 2026-06-25 · 2 obs
● 2026-02-14 22:56:50
● 2026-06-25 08:38:06
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-20 → 2026-02-20 · 4 obs
○ 2026-02-18 16:49:18
● 2026-02-20 17:01:44
○ 2026-02-24 14:29:32
○ 2026-06-25 08:38:06
●A2606:4700:3035::ac43:c55d2026-06-25 → 2026-06-25 · 2 obs
○ 2026-06-11 21:54:42
● 2026-06-25 08:38:06
○A2606:4700:3036::6815:5cc52026-02-14 → 2026-06-11 · 6 obs
● 2026-02-14 22:56:50
● 2026-02-18 16:49:18
○ 2026-02-20 17:01:44
● 2026-02-24 14:29:32
● 2026-06-11 21:54:42
○ 2026-06-25 08:38:06
○A2606:4700:3036::ac43:c55d2026-02-14 → 2026-06-11 · 6 obs
● 2026-02-14 22:56:50
● 2026-02-18 16:49:18
○ 2026-02-20 17:01:44
● 2026-02-24 14:29:32
● 2026-06-11 21:54:42
○ 2026-06-25 08:38:06
●A2606:4700:3037::6815:5cc52026-06-25 → 2026-06-25 · 2 obs
○ 2026-06-11 21:54:42
● 2026-06-25 08:38:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cad.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca-
rtfc.casevki.ns.cloudflare.com, dahlia.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.164

NS records: sevki.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfc.ca (unsigned zone)

⏱️ Timing

Total: 908ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.92.197, 172.67.197.93
AAAA22606:4700:3035::ac43:c55d, 2606:4700:3037::6815:5cc5
NS2dahlia.ns.cloudflare.com, sevki.ns.cloudflare.com
MX1rtfc-ca.mail.protection.outlook.com (pri
TXT1v=spf1 redirect=_sjaszbf9r.sdmarc.net
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dahlia.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

rtfc.ca directs to four IP numbers, which are 104.21.92.197, 172.67.197.93, 2606:4700:3035::ac43:c55d and 2606:4700:3037::6815:5cc5.

dewarungkat.com, cloudxpander.com, www.thmh.cc and two other host names share IP numbers with rtfc.ca.

Name Servers

rtfc.ca is delegated to two name servers: dahlia.ns.cloudflare.com and sevki.ns.cloudflare.com.

rtfc.ca uses the same name servers as several other domains — among them uaaa-com.workers.dev, nicig.com, valenteinvestmentgroup.com and two more.

There is at least partial name server overlap between rtfc.ca and other domains — surfoutlet.shop, 1toplayn.com, kidsartland.com and two more among them.

These name servers frequently co-occur with the name servers sullivan.ns.cloudflare.com and lina.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dahlia.ns.cloudflare.com resolves to 108.162.192.89, 172.64.32.89, 173.245.58.89 and 3 other IP addresses.

sevki.ns.cloudflare.com resolves to 108.162.195.164, 162.159.44.164, 172.64.35.164 and 3 other IP addresses.

Mail Servers

Mail for rtfc.ca is handled by a single mail server, rtfc-ca.mail.protection.outlook.com.

rtfc-ca.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.190.0, 52.101.190.1, 52.101.192.0 and 5 others.