`cefnet.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2717^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8e39^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.23^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.57^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coco.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c068^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coco.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2068^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coco.ns.cloudflare.com`
		A	108.162.192.104^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	172.64.32.104^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
		A	173.245.58.104^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coco.ns.cloudflare.com`
NS	`thaddeus.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thaddeus.ns.cloudflare.com`
		A	108.162.195.127^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	162.159.44.127^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	172.64.35.127^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.23, 172.67.142.57
		IPv6 hints	2606:4700:3032::6815:2717, 2606:4700:3036::ac43:8e39
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`coco.ns.cloudflare.com`dns@cloudflare.com serial=2408896007

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785639312

Same first word

cefnet.de

cefnet.com

Similar names

neftec.com

fentec.com.my

efcent.com

fentec.de

fencet.com

ecfnet.org

fecent.net

fentec.co.nz

fentec.net

fentec.fi

neftec.ch

fenect.com

cfenet.com

cnfeet.com

fentec.eu

centef.ch

efcnet.com

fceent.com

fnetec.blogspot.com

fentec.org.br

fentec.it

tecfen.com

tfence.com

fencet.online

neftec.jp

neftec.co.jp

cfenet.cci.fr

fecnet.com

fentec.co.uk

fecent.com

fentec.ltd.uk

neftec.de

fentec.com

neftec.ru

cfenet.org

fcenet.de

centef.com

fcenet.com

fentec.com.au

DNS History

28 records (6 active, 22 former)

●NScoco.ns.cloudflare.com2026-06-30 → 2026-08-02 · 3 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
● 2026-08-02 03:12:28

○NSns1.namebrightdns.com2016-03-14 → 2017-03-21 · 6 obs

○ 2015-12-03 09:19:40
● 2016-03-14 11:03:38
○ 2016-07-09 00:08:04
● 2017-03-21 10:51:18
○ 2026-03-25 21:20:58
○ 2026-08-02 03:12:28

○NSns2.namebrightdns.com2016-03-14 → 2017-03-21 · 6 obs

○ 2015-12-03 09:19:40
● 2016-03-14 11:03:38
○ 2016-07-09 00:08:04
● 2017-03-21 10:51:18
○ 2026-03-25 21:20:58
○ 2026-08-02 03:12:28

○NSnsg1.namebrightdns.com2015-12-03 → 2016-07-09 · 6 obs

○ 2015-09-21 07:30:52
● 2015-12-03 09:19:40
○ 2016-03-14 11:03:38
● 2016-07-09 00:08:04
○ 2017-03-21 10:51:18
○ 2026-08-02 03:12:28

○NSnsg2.namebrightdns.com2015-12-03 → 2016-07-09 · 6 obs

○ 2015-09-21 07:30:52
● 2015-12-03 09:19:40
○ 2016-03-14 11:03:38
● 2016-07-09 00:08:04
○ 2017-03-21 10:51:18
○ 2026-08-02 03:12:28

○NSsk.s5.ans1.ns122.ztomy.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 16:45:58
○ 2015-09-21 07:30:52
○ 2026-08-02 03:12:28

○NSsk.s5.ans2.ns122.ztomy.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 16:45:58
○ 2015-09-21 07:30:52
○ 2026-08-02 03:12:28

●NSthaddeus.ns.cloudflare.com2026-06-30 → 2026-08-02 · 3 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
● 2026-08-02 03:12:28

○MXmail.b-io.co2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 16:45:58
○ 2015-09-21 07:30:52
○ 2026-08-02 03:12:28

●A104.21.39.232026-07-08 → 2026-08-02 · 3 obs

○ 2026-06-30 09:14:10
● 2026-07-08 23:52:02
● 2026-08-02 03:12:28

○A107.23.198.2402016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-14 11:03:38
● 2016-07-09 00:08:04
○ 2017-03-21 10:51:18
○ 2026-08-02 03:12:28

●A172.67.142.572026-07-08 → 2026-08-02 · 3 obs

○ 2026-06-30 09:14:10
● 2026-07-08 23:52:02
● 2026-08-02 03:12:28

○A188.114.96.02026-06-30 → 2026-06-30 · 4 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
○ 2026-07-08 23:52:02
○ 2026-08-02 03:12:28

○A188.114.97.02026-06-30 → 2026-06-30 · 4 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
○ 2026-07-08 23:52:02
○ 2026-08-02 03:12:28

○A208.91.197.442015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 16:45:58
○ 2015-09-21 07:30:52
○ 2026-08-02 03:12:28

●A2606:4700:3032::6815:27172026-07-08 → 2026-08-02 · 3 obs

○ 2026-06-30 09:14:10
● 2026-07-08 23:52:02
● 2026-08-02 03:12:28

●A2606:4700:3036::ac43:8e392026-07-08 → 2026-08-02 · 3 obs

○ 2026-06-30 09:14:10
● 2026-07-08 23:52:02
● 2026-08-02 03:12:28

○A2a06:98c1:3120::2026-06-30 → 2026-06-30 · 4 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
○ 2026-07-08 23:52:02
○ 2026-08-02 03:12:28

○A2a06:98c1:3121::2026-06-30 → 2026-06-30 · 4 obs

○ 2026-03-25 21:20:58
● 2026-06-30 09:14:10
○ 2026-07-08 23:52:02
○ 2026-08-02 03:12:28

○A34.206.157.642017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-09 00:08:04
● 2017-03-21 10:51:18
○ 2026-03-25 21:20:58
○ 2026-08-02 03:12:28

○A52.0.96.242016-03-14 → 2016-03-14 · 4 obs

○ 2015-12-03 09:19:40
● 2016-03-14 11:03:38
○ 2016-07-09 00:08:04
○ 2026-08-02 03:12:28

○A52.4.72.1372016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-14 11:03:38
● 2016-07-09 00:08:04
○ 2017-03-21 10:51:18
○ 2026-08-02 03:12:28

○A52.71.117.992016-03-14 → 2016-03-14 · 4 obs

○ 2015-12-03 09:19:40
● 2016-03-14 11:03:38
○ 2016-07-09 00:08:04
○ 2026-08-02 03:12:28

○A54.174.31.2542015-12-03 → 2015-12-03 · 4 obs

○ 2015-09-21 07:30:52
● 2015-12-03 09:19:40
○ 2016-03-14 11:03:38
○ 2026-08-02 03:12:28

○A54.208.74.2152015-12-03 → 2015-12-03 · 4 obs

○ 2015-09-21 07:30:52
● 2015-12-03 09:19:40
○ 2016-03-14 11:03:38
○ 2026-08-02 03:12:28

○A54.236.195.152017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-09 00:08:04
● 2017-03-21 10:51:18
○ 2026-03-25 21:20:58
○ 2026-08-02 03:12:28

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-12-03 → 2016-07-09 · 4 obs

● 2015-12-03 09:19:40
● 2016-07-09 00:08:04
○ 2017-03-21 10:51:18
○ 2026-08-02 03:12:28

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-09 00:08:04
● 2017-03-21 10:51:18
○ 2026-03-25 21:20:58
○ 2026-08-02 03:12:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cefnet.com	coco.ns.cloudflare.com, thaddeus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.104

NS records: coco.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cefnet.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.57, 104.21.39.23`
AAAA	2	`2606:4700:3036::ac43:8e39, 2606:4700:3032::6815:2717`
NS	2	`coco.ns.cloudflare.com, thaddeus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coco.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (coco.ns.cloudflare.com, coco.ns.cloudflare.com, coco.ns.cloudflare.com...)

Analysis

IP Addresses

cefnet.com points to the four IP addresses 104.21.39.23, 172.67.142.57, 2606:4700:3032::6815:2717 and 2606:4700:3036::ac43:8e39.

es.e-learningforkids.org, ririseraorexi.com, progroupus.info plus two other host names have IP numbers in common with cefnet.com.

Name Servers

DNS delegation for cefnet.com points to two name servers: coco.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

The name server configuration of cefnet.com is shared with other domains, for instance bribym.pro, breltrim.pro, essentialpublicradio.org and two others.

The name servers of cefnet.com overlap at least partially with those of other domains — among them fechtclub-bern.com, stamps-ru.ru, 001676a98997.com and two more.

These name servers commonly appear alongside the name servers crystal.ns.cloudflare.com and ernest.ns.cloudflare.com.

Hosts with 6 IP addresses each:

coco.ns.cloudflare.com has IP addresses 108.162.192.104, 172.64.32.104 and 173.245.58.104, plus 3 other.

thaddeus.ns.cloudflare.com has IP addresses 108.162.195.127, 162.159.44.127 and 172.64.35.127, plus 3 other.

cefnet.com - robtex.com

cefnet.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`cefnet.com`

`com`