mdoubleu.com - robtex.com

mdoubleu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:a3d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:a291🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.61Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.145🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclarissa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:267b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclarissa.ns.cloudflare.com
A2803:f800:50::6ca2:c27b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRclarissa.ns.cloudflare.com
A2a06:98c1:50::ac40:227b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRclarissa.ns.cloudflare.com
A108.162.194.123🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclarissa.ns.cloudflare.com
A162.159.38.123Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclarissa.ns.cloudflare.com
A172.64.34.123🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclarissa.ns.cloudflare.com
NSeoin.ns.cloudflare.com
A2606:4700:58::a29f:2c56🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A2803:f800:50::6ca2:c356🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReoin.ns.cloudflare.com
A2a06:98c1:50::ac40:2356🇺🇸 Cloudflare2a06:98c1:50::/45
PTReoin.ns.cloudflare.com
A108.162.195.86🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A162.159.44.86Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A172.64.35.86🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.61, 172.67.162.145
IPv6 hints2606:4700:3031::6815:a3d, 2606:4700:3035::ac43:a291
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOAclarissa.ns.cloudflare.comdns@cloudflare.com serial=2401535200

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778435896
⚠️ On DNS blocklist: tif

Previously MX for

mdoubleu.com

Subdomains

www.mdoubleu.com

Same first word

mdoubleu.com
mdoubleu.net

Similar names

doubleum.com
modulube.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSclarissa.ns.cloudflare.comeoin.ns.cloudflare.comns1.bluehost.comns2.bluehost.comMXfallbackmx.spamexperts.eulastmx.spamexperts.netmdoubleu.commx.spamexperts.comA104.21.10.61172.67.162.1452606:4700:3031::6815:a3d2606:4700:3035::ac43:a29169.89.30.144
●NSclarissa.ns.cloudflare.com2026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
●NSeoin.ns.cloudflare.com2026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
○NSns1.bluehost.com2015-08-06 → 2016-07-07 · 4 obs
● 2015-08-06 15:40:20
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08
○NSns2.bluehost.com2015-08-06 → 2016-07-07 · 4 obs
● 2015-08-06 15:40:20
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08
○MXfallbackmx.spamexperts.eu2016-07-07 → 2016-07-07 · 4 obs
○ 2016-03-06 04:13:42
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08
○MXlastmx.spamexperts.net2016-07-07 → 2016-07-07 · 4 obs
○ 2016-03-06 04:13:42
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08
○MXmdoubleu.com2015-08-06 → 2016-03-06 · 4 obs
● 2015-08-06 15:40:20
● 2016-03-06 04:13:42
○ 2016-07-07 08:54:42
○ 2026-05-10 18:24:08
○MXmx.spamexperts.com2016-07-07 → 2016-07-07 · 4 obs
○ 2016-03-06 04:13:42
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08
●A104.21.10.612026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
●A172.67.162.1452026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
●A2606:4700:3031::6815:a3d2026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
●A2606:4700:3035::ac43:a2912026-04-15 → 2026-05-10 · 3 obs
○ 2016-07-07 08:54:42
● 2026-04-15 15:15:00
● 2026-05-10 18:24:08
○A69.89.30.1442015-08-06 → 2016-07-07 · 4 obs
● 2015-08-06 15:40:20
● 2016-07-07 08:54:42
○ 2026-04-15 15:15:00
○ 2026-05-10 18:24:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...-
mdoubleu.comclarissa.ns.cloudflare.com, eoin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.123

NS records: clarissa.ns.cloudflare.com, eoin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdoubleu.com (unsigned zone)

⏱️ Timing

Total: 265ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.162.145, 104.21.10.61
AAAA22606:4700:3031::6815:a3d, 2606:4700:3035::ac43:a291
NS2clarissa.ns.cloudflare.com, eoin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1clarissa.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mdoubleu.com is the parent of www.mdoubleu.com.

IP Addresses

mdoubleu.com resolves to four IP numbers: 2606:4700:3031::6815:a3d, 2606:4700:3035::ac43:a291, 104.21.10.61 and 172.67.162.145.

other host names for instance fcf.com.tw, jiujiu-one.skhyn.sbs, s-meble.pl, theretailoutsourceuniversity.westnetmlp.com.cdn.cloudflare.net and www.nikornmarinetours.com share IP numbers with mdoubleu.com.

Name Servers

mdoubleu.com is delegated to two name servers: clarissa.ns.cloudflare.com and eoin.ns.cloudflare.com.

mdoubleu.com shares the same name server setup as other domains, for example clearresolve.io, nextdmedia.com, feomag.ru, kenochem.pl and indiantabloid.com.

mdoubleu.com at least partially shares name servers with other domains, for instance casinodefrance.net, googleplayl.com, conmac.net.au, alpha2025forge.forum and gsacademy.com.

These name servers are commonly used with jay.ns.cloudflare.com, liberty.ns.cloudflare.com, summer.ns.cloudflare.com and martin.ns.cloudflare.com.

Host names with six IP numbers:

clarissa.ns.cloudflare.com points to: 2606:4700:50::a29f:267b, 2803:f800:50::6ca2:c27b, 2a06:98c1:50::ac40:227b, 108.162.194.123, 162.159.38.123 and 172.64.34.123; eoin.ns.cloudflare.com points to: 2606:4700:58::a29f:2c56, 2803:f800:50::6ca2:c356, 2a06:98c1:50::ac40:2356, 108.162.195.86, 162.159.44.86 and 172.64.35.86.