mdcert.org - robtex.com

mdcert.org

DNSSEC⚠️ Not signed
A2606:4700::6812:a62🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:b62🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.10.98Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.11.98Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSblue.foundationdns.com ⭐ 🔒
A2606:4700:57::6ca2:c601🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.com
A2803:f800:52::a29f:3c01🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.com
A2a06:98c1:56::ac40:2801🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.com
A108.162.198.1🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
A162.159.60.1Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
A172.64.40.1🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
NSblue.foundationdns.net 🔒
A2606:4700:57::6ca2:c61f🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.net
A2803:f800:52::a29f:3c1f🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.net
A2a06:98c1:56::ac40:281f🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.net
A108.162.198.31🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
A162.159.60.31Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
A172.64.40.31🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
NSblue.foundationdns.org 🔒
A2606:4700:57::6ca2:c63d🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.org
A2803:f800:52::a29f:3c3d🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.org
A2a06:98c1:56::ac40:283d🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.org
A108.162.198.61🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
A162.159.60.61Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
A172.64.40.61🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
HTTPSHTTP/2 ✓ hints match
IPv4104.18.10.98, 104.18.11.98
IPv62606:4700::6812:a62, 2606:4700::6812:b62
SOAblue.foundationdns.comdns@cloudflare.com serial=2393518910

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736

Same first word

mdcert.cn
mdcert.org

Similar names

drmcet.org
drmcet.com
mtrdec.com
ctderm.com
dermtc.com
dcterm.com
medctr.com
dmrtec.ch
certmd.com
ecmdrt.com
medrtc.com
rtcmed.ro
redmtc.com
dermct.com
mtcred.com
tcderm.net
tcderm.com
tcderm.org
rmdtec.com
crtmed.com
mdrtec.com
tmerdc.com
drmcet.ac.in
trmedc.com
dmcert.com
mtcred.com.br

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSblue.foundationdns.comblue.foundationdns.netblue.foundationdns.orgudns1.ultradns.netudns2.ultradns.netA104.18.10.98104.18.11.982606:4700::6812:a622606:4700::6812:b62204.74.99.100
●NSblue.foundationdns.com2026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
●NSblue.foundationdns.net2026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
●NSblue.foundationdns.org2026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
○NSudns1.ultradns.net2015-05-13 → 2017-11-16 · 4 obs
● 2015-05-13 20:04:32
● 2017-11-16 21:47:46
○ 2026-02-16 12:48:54
○ 2026-02-25 09:09:30
○NSudns2.ultradns.net2015-05-13 → 2017-11-16 · 4 obs
● 2015-05-13 20:04:32
● 2017-11-16 21:47:46
○ 2026-02-16 12:48:54
○ 2026-02-25 09:09:30
●A104.18.10.982026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
●A104.18.11.982026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
○A204.74.99.1002015-05-13 → 2017-11-16 · 4 obs
● 2015-05-13 20:04:32
● 2017-11-16 21:47:46
○ 2026-02-16 12:48:54
○ 2026-02-25 09:09:30
●A2606:4700::6812:a622026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30
●A2606:4700::6812:b622026-02-16 → 2026-02-25 · 3 obs
○ 2017-11-16 21:47:46
● 2026-02-16 12:48:54
● 2026-02-25 09:09:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mdcert.orgblue.foundationdns.com, blue.foundationdns.org, blue.foundationdns.net-

✅ Authoritative Response

Server: 172.64.40.1

NS records: blue.foundationdns.com, blue.foundationdns.org, blue.foundationdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdcert.org (unsigned zone)

⏱️ Timing

Total: 73ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.10.98, 104.18.11.98
AAAA22606:4700::6812:a62, 2606:4700::6812:b62
NS3blue.foundationdns.com, blue.foundationdns.net...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1blue.foundationdns.com dns.cloudflare.co

AI analysis

mdcert.org maps to four IP numbers: 2606:4700::6812:a62, 2606:4700::6812:b62, 104.18.10.98 and 104.18.11.98.

Other host names such as naturhaeuschen.de, bet.optibet.ee, www.yourchanceishere.com, yourchanceishere.com and energyexch.com share IPs with mdcert.org.

mdcert.org is delegated to three name servers: blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.

mdcert.org at least partially shares name servers with other domains, for example screenbase-conseil.com, lassonde.utah.edu, mnpp.com, caemilusa.com and yrgrp.com.

These name servers are often used with the following name servers: fiber.utah.edu, ns5.utah.edu, ns6.utah.edu, ns.utah.edu, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

Host names with six IP numbers:

blue.foundationdns.com points to: 2606:4700:57::6ca2:c601, 2803:f800:52::a29f:3c01, 2a06:98c1:56::ac40:2801, 108.162.198.1, 162.159.60.1 and 172.64.40.1

blue.foundationdns.net points to: 2606:4700:57::6ca2:c61f, 2803:f800:52::a29f:3c1f, 2a06:98c1:56::ac40:281f, 108.162.198.31, 162.159.60.31 and 172.64.40.31

blue.foundationdns.org points to: 2606:4700:57::6ca2:c63d, 2803:f800:52::a29f:3c3d, 2a06:98c1:56::ac40:283d, 108.162.198.61, 162.159.60.61 and 172.64.40.61