fm100cmu.com - robtex.com

fm100cmu.com

DNSSEC⚠️ Not signed
Afe80::250:56ff:fead:2d44
A202.28.248.204🇹🇭 CMU-TH-AP202.28.248.0/24 Office of Info.Tech. Admin. for Educational Development 328 Si-Ayutthaya Road, Thung Phayathai Subdistrict
NSderek.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A2803:f800:50::6ca2:c19a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRderek.ns.cloudflare.com
A2a06:98c1:50::ac40:219a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRderek.ns.cloudflare.com
A108.162.193.154🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A172.64.33.154🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A173.245.59.154🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
NSnovalee.ns.cloudflare.com
A2606:4700:50::a29f:26b6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A2803:f800:50::6ca2:c2b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnovalee.ns.cloudflare.com
A2a06:98c1:50::ac40:22b6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnovalee.ns.cloudflare.com
A108.162.194.182🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A162.159.38.182Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
A172.64.34.182🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnovalee.ns.cloudflare.com
MX_dc-mx.0b6140c7bcac.fm100cmu.com ⭐
Afe80::250:56ff:fead:2d44
A202.28.248.204🇹🇭 CMU-TH-AP202.28.248.0/24 Office of Info.Tech. Admin. for Educational Development 328 Si-Ayutthaya Road, Thung Phayathai Subdistrict
TXTv=spf1 a mx ptr include:secureserver.net ~all
SOAderek.ns.cloudflare.comdns@cloudflare.com serial=2409626155

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=1784243637
WOT: UNKNOWN (62/100)

Subdomains

mail.fm100cmu.com

Same first word

fm100cmu.com

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSderek.ns.cloudflare.comnovalee.ns.cloudflare.comns21.domaincontrol.comns22.domaincontrol.comMX_dc-mx.0b6140c7bcac.fm100cmu.commail.fm100cmu.comA202.28.248.204fe80::250:56ff:fead:2d4423.229.210.169
●NSderek.ns.cloudflare.com2026-03-22 → 2026-07-16 · 3 obs
○ 2020-01-18 08:14:36
● 2026-03-22 22:08:04
● 2026-07-16 23:44:52
●NSnovalee.ns.cloudflare.com2026-03-22 → 2026-07-16 · 3 obs
○ 2020-01-18 08:14:36
● 2026-03-22 22:08:04
● 2026-07-16 23:44:52
○NSns21.domaincontrol.com2015-07-14 → 2020-01-18 · 4 obs
● 2015-07-14 02:02:46
● 2020-01-18 08:14:36
○ 2026-03-22 22:08:04
○ 2026-07-16 23:44:52
○NSns22.domaincontrol.com2015-07-14 → 2020-01-18 · 4 obs
● 2015-07-14 02:02:46
● 2020-01-18 08:14:36
○ 2026-03-22 22:08:04
○ 2026-07-16 23:44:52
●MX_dc-mx.0b6140c7bcac.fm100cmu.com2026-03-22 → 2026-07-16 · 3 obs
○ 2020-01-18 08:14:36
● 2026-03-22 22:08:04
● 2026-07-16 23:44:52
○MXmail.fm100cmu.com2015-07-14 → 2020-01-18 · 4 obs
● 2015-07-14 02:02:46
● 2020-01-18 08:14:36
○ 2026-03-22 22:08:04
○ 2026-07-16 23:44:52
●A202.28.248.2042016-02-25 → 2026-07-16 · 3 obs
○ 2015-11-25 13:56:06
● 2016-02-25 20:14:02
● 2026-07-16 23:44:52
○A23.229.210.1692015-07-14 → 2015-11-25 · 4 obs
● 2015-07-14 02:02:46
● 2015-11-25 13:56:06
○ 2016-02-25 20:14:02
○ 2026-07-16 23:44:52
●Afe80::250:56ff:fead:2d442020-01-18 → 2026-07-16 · 3 obs
○ 2016-02-25 20:14:02
● 2020-01-18 08:14:36
● 2026-07-16 23:44:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
fm100cmu.comderek.ns.cloudflare.com, novalee.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.154

NS records: derek.ns.cloudflare.com, novalee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fm100cmu.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

TypeCountSample Data
A1202.28.248.204
AAAA1fe80::250:56ff:fead:2d44
NS2derek.ns.cloudflare.com, novalee.ns.cloudflare.com
MX1_dc-mx.0b6140c7bcac.fm100cmu.com (pri: 0
TXT1v=spf1 a mx ptr include:secureserver.net
SOA1derek.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

fm100cmu.com is the parent zone for mail.fm100cmu.com.

IP Addresses

fm100cmu.com resolves to the IP addresses 202.28.248.204 and fe80::250:56ff:fead:2d44

_dc-mx.0b6140c7bcac.fm100cmu.com, for instance, is one of the other host names sharing IP numbers with fm100cmu.com.

Name Servers

fm100cmu.com uses two name servers for its delegation: derek.ns.cloudflare.com and novalee.ns.cloudflare.com.

fm100cmu.com shares its NS records with other domains, for example sovereignplayequipment.co.uk, fzmovies.im, anuntiomatic.es and two others.

fm100cmu.com partially shares its NS delegation with several other domains, including carroceriasculpina.com.ar, hcdparana.gob.ar, arcadeix.com and two others.

These name servers often co-occur with the name servers christian.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname derek.ns.cloudflare.com directs to 108.162.193.154, 172.64.33.154 and 173.245.59.154 along with 3 other IP addresses.

Hostname novalee.ns.cloudflare.com directs to 108.162.194.182, 162.159.38.182 and 172.64.34.182 along with 3 other IP addresses.

Mail Servers

The sole mail server for fm100cmu.com is _dc-mx.0b6140c7bcac.fm100cmu.com.

The host _dc-mx.0b6140c7bcac.fm100cmu.com resolves to 202.28.248.204 and fe80::250:56ff:fead:2d44 — two IP addresses.