sdmcc.org.uk - robtex.com

sdmcc.org.uk

DNSSEC🔒 Signed (DS record present)
A2606:4700:3032::6815:14ab🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c13c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.171Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.60🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSapollo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b42🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapollo.ns.cloudflare.com
A2803:f800:50::6ca2:c142🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRapollo.ns.cloudflare.com
A2a06:98c1:50::ac40:2142🇺🇸 Cloudflare2a06:98c1:50::/45
PTRapollo.ns.cloudflare.com
A108.162.193.66🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapollo.ns.cloudflare.com
A172.64.33.66🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapollo.ns.cloudflare.com
A173.245.59.66🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapollo.ns.cloudflare.com
NSaron.ns.cloudflare.com
A2606:4700:50::adf5:3a45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A2803:f800:50::6ca2:c045🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaron.ns.cloudflare.com
A2a06:98c1:50::ac40:2045🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaron.ns.cloudflare.com
A108.162.192.69🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A172.64.32.69🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A173.245.58.69🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
MXmx.stackmail.com ⭐
A185.151.28.67🇬🇧 TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.171, 172.67.193.60
IPv6 hints2606:4700:3032::6815:14ab, 2606:4700:3035::ac43:c13c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=30, name=cloudflare-ech.com
SOAapollo.ns.cloudflare.comdns@cloudflare.com serial=2410141909

org.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1784849607
rank #593423 globally
rank #31316 in the tld
WOT: SAFE (71/100)

Same first word

sdmcc.net
sdmcc.org
sdmcc.org.uk
sdmcc.com
sdmcc.cn

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mccsd.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSapollo.ns.cloudflare.comaron.ns.cloudflare.comns1.file-servers.co.ukns2.file-servers.co.ukMXmx.stackmail.commail.sdmcc.org.ukA104.21.20.171172.67.193.602606:4700:3032::6815:14ab2606:4700:3035::ac43:c13c188.114.96.0188.114.97.0217.199.187.1962606:4700:3037::ac43:c13c2a06:98c1:3120::2a06:98c1:3121::
●NSapollo.ns.cloudflare.com2026-06-14 → 2026-07-23 · 3 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
● 2026-07-23 23:36:00
●NSaron.ns.cloudflare.com2026-06-14 → 2026-07-23 · 3 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
● 2026-07-23 23:36:00
○NSns1.file-servers.co.uk2015-06-16 → 2016-06-25 · 4 obs
● 2015-06-16 21:44:02
● 2016-06-25 00:57:16
○ 2026-06-14 18:18:34
○ 2026-07-23 23:36:00
○NSns2.file-servers.co.uk2015-06-16 → 2016-06-25 · 4 obs
● 2015-06-16 21:44:02
● 2016-06-25 00:57:16
○ 2026-06-14 18:18:34
○ 2026-07-23 23:36:00
○MXmail.sdmcc.org.uk2015-06-16 → 2016-06-25 · 4 obs
● 2015-06-16 21:44:02
● 2016-06-25 00:57:16
○ 2026-06-14 18:18:34
○ 2026-07-23 23:36:00
●MXmx.stackmail.com2026-06-14 → 2026-07-23 · 3 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
● 2026-07-23 23:36:00
●A104.21.20.1712026-06-14 → 2026-07-23 · 9 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
○ 2026-06-26 13:53:50
● 2026-06-26 18:24:40
○ 2026-07-08 04:42:26
● 2026-07-08 14:02:00
○ 2026-07-20 01:46:20
● 2026-07-21 21:40:56
● 2026-07-23 23:36:00
●A172.67.193.602026-06-14 → 2026-07-23 · 9 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
○ 2026-06-26 13:53:50
● 2026-06-26 18:24:40
○ 2026-07-08 04:42:26
● 2026-07-08 14:02:00
○ 2026-07-20 01:46:20
● 2026-07-21 21:40:56
● 2026-07-23 23:36:00
○A188.114.96.02026-06-26 → 2026-07-20 · 8 obs
○ 2026-06-14 18:18:34
● 2026-06-26 13:53:50
○ 2026-06-26 18:24:40
● 2026-07-08 04:42:26
○ 2026-07-08 14:02:00
● 2026-07-20 01:46:20
○ 2026-07-21 21:40:56
○ 2026-07-23 23:36:00
○A188.114.97.02026-06-26 → 2026-07-20 · 8 obs
○ 2026-06-14 18:18:34
● 2026-06-26 13:53:50
○ 2026-06-26 18:24:40
● 2026-07-08 04:42:26
○ 2026-07-08 14:02:00
● 2026-07-20 01:46:20
○ 2026-07-21 21:40:56
○ 2026-07-23 23:36:00
○A217.199.187.1962015-06-16 → 2016-06-25 · 4 obs
● 2015-06-16 21:44:02
● 2016-06-25 00:57:16
○ 2026-06-14 18:18:34
○ 2026-07-23 23:36:00
●A2606:4700:3032::6815:14ab2026-06-14 → 2026-07-23 · 9 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
○ 2026-06-26 13:53:50
● 2026-06-26 18:24:40
○ 2026-07-08 04:42:26
● 2026-07-08 14:02:00
○ 2026-07-20 01:46:20
● 2026-07-21 21:40:56
● 2026-07-23 23:36:00
●A2606:4700:3035::ac43:c13c2026-07-13 → 2026-07-23 · 5 obs
○ 2026-07-08 14:02:00
● 2026-07-13 04:39:48
○ 2026-07-20 01:46:20
● 2026-07-21 21:40:56
● 2026-07-23 23:36:00
○A2606:4700:3037::ac43:c13c2026-06-14 → 2026-07-08 · 8 obs
○ 2016-06-25 00:57:16
● 2026-06-14 18:18:34
○ 2026-06-26 13:53:50
● 2026-06-26 18:24:40
○ 2026-07-08 04:42:26
● 2026-07-08 14:02:00
○ 2026-07-13 04:39:48
○ 2026-07-23 23:36:00
○A2a06:98c1:3120::2026-06-26 → 2026-07-20 · 8 obs
○ 2026-06-14 18:18:34
● 2026-06-26 13:53:50
○ 2026-06-26 18:24:40
● 2026-07-08 04:42:26
○ 2026-07-08 14:02:00
● 2026-07-20 01:46:20
○ 2026-07-21 21:40:56
○ 2026-07-23 23:36:00
○A2a06:98c1:3121::2026-06-26 → 2026-07-20 · 8 obs
○ 2026-06-14 18:18:34
● 2026-06-26 13:53:50
○ 2026-06-26 18:24:40
● 2026-07-08 04:42:26
○ 2026-07-08 14:02:00
● 2026-07-20 01:46:20
○ 2026-07-21 21:40:56
○ 2026-07-23 23:36:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns2.nic.uk, dns4.nic.uk, nsa.nic.uk, nsc.nic.uk...-
sdmcc.org.ukapollo.ns.cloudflare.com, aron.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.69

NS records: apollo.ns.cloudflare.com, aron.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1777ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.20.171, 172.67.193.60
AAAA22606:4700:3032::6815:14ab, 2606:4700:3035::ac43:c13c
NS2apollo.ns.cloudflare.com, aron.ns.cloudflare.com
MX1mx.stackmail.com (pri: 10)
TXT1v=spf1 include:spf.stackmail.com a mx -a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1apollo.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

sdmcc.org.uk has four IP addresses: 104.21.20.171, 172.67.193.60, 2606:4700:3032::6815:14ab and 2606:4700:3035::ac43:c13c.

anand-gelfand.com, mbeden.com, kx8025.com and two other host names share IP numbers with sdmcc.org.uk.

Name Servers

DNS delegation for sdmcc.org.uk points to two name servers: apollo.ns.cloudflare.com and aron.ns.cloudflare.com.

sdmcc.org.uk uses the same name servers as several other domains — among them 3tbk.vn, cursosdebarman.com, pepe-awards.net and two more.

sdmcc.org.uk has at least partial name server overlap with other domains, such as fevirr.com, maven-global.com, qingqu.sbs and two others.

It is common to see these name servers used together with name servers crystal.ns.cloudflare.com and lucy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

apollo.ns.cloudflare.com has IP addresses 108.162.193.66, 172.64.33.66 and 173.245.59.66, plus 3 other.

aron.ns.cloudflare.com has IP addresses 108.162.192.69, 172.64.32.69 and 173.245.58.69, plus 3 other.

Mail Servers

Mail for sdmcc.org.uk is handled by a single mail server, mx.stackmail.com.

sdmcc.org.uk uses an identical mail server configuration to several other domains — among them multi8.com, yesworld.com, godblessdrivingschool.com and two more.

The mail servers of sdmcc.org.uk are at least partially shared with other domains, including oajunopenaccess.com.

mx.stackmail.com has exactly one IP number: 185.151.28.67.