`files.masscec.com`

DNSSEC	⚠️ Not signed
A	3.166.152.45^{🇺🇸 Amazon3.166.152.0/23}
		PTR	`server-3-166-152-45.mia50.r.cloudfront.net`
A	3.166.152.67^{🇺🇸 Amazon3.166.152.0/23}
A	3.166.152.89^{🇺🇸 Amazon3.166.152.0/23}
A	3.166.152.98^{🇺🇸 Amazon3.166.152.0/23}

`masscec.com`

	DNSSEC	⚠️ Not signed
	A	44.204.29.103^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
	NS	`ns-1851.awsdns-39.co.uk` ⭐
	NS	`ns-1207.awsdns-22.org`
	NS	`ns-409.awsdns-51.com`
	NS	`ns-542.awsdns-03.net`
	MX	`us-smtp-inbound-1.mimecast.com` ⭐
	MX	`us-smtp-inbound-2.mimecast.com` ⭐
	TXT	`0ed1fe018a1433b750d30748ec934e38deacf5e349`
	TXT	`7rhjdd01in1cqhfm7fja1pk6ke`
	TXT	`MS=ms99057252`
	TXT	`asv=5b8c570954dc056e43b18feb96d98889`
	TXT	`google-site-verification=GLsuNWevsZqo9_27RcvT6FbJgLBmbjGt_bro7ycKvaM`
	TXT	`j2phhhu1r6nu1nvshdjakk4s48`
	TXT	`openai-domain-verification=dv-sCCopGjanOYo0HOkveroUJ9F`
	TXT	`prowly-verification=87d20c66840d1468ab0d94d7514fa675c35d5ea06f590a783fe4361b4...`
	TXT	`v=spf1 include:amazonses.com include:spf.protection.outlook.com include:spf.m...`
	SOA	`ns-1851.awsdns-39.co.uk`awsdns-hostmaster@amazon.com serial=1

rank #168069 globally
rank #69797 in the tld
📈 Tranco rank: #353,054

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DNS History

16 records (4 active, 12 former)

○A108.139.15.1162026-04-04 → 2026-04-06 · 5 obs

● 2026-04-04 14:39:26
○ 2026-04-05 13:16:48
● 2026-04-06 04:42:36
○ 2026-04-06 05:21:12
○ 2026-04-13 06:20:04

○A108.139.15.392026-04-04 → 2026-04-06 · 5 obs

● 2026-04-04 14:39:26
○ 2026-04-05 13:16:48
● 2026-04-06 04:42:36
○ 2026-04-06 05:21:12
○ 2026-04-13 06:20:04

○A108.139.15.462026-04-04 → 2026-04-06 · 5 obs

● 2026-04-04 14:39:26
○ 2026-04-05 13:16:48
● 2026-04-06 04:42:36
○ 2026-04-06 05:21:12
○ 2026-04-13 06:20:04

○A108.139.15.52026-04-04 → 2026-04-06 · 5 obs

● 2026-04-04 14:39:26
○ 2026-04-05 13:16:48
● 2026-04-06 04:42:36
○ 2026-04-06 05:21:12
○ 2026-04-13 06:20:04

○A108.139.47.192026-04-10 → 2026-04-11 · 8 obs

○ 2026-04-10 02:29:58
● 2026-04-10 08:17:48
○ 2026-04-10 09:37:48
○ 2026-04-10 17:20:08
● 2026-04-11 03:09:40
● 2026-04-11 09:01:52
○ 2026-04-12 05:41:38
○ 2026-04-13 06:20:04

○A108.139.47.492026-04-10 → 2026-04-11 · 8 obs

○ 2026-04-10 02:29:58
● 2026-04-10 08:17:48
○ 2026-04-10 09:37:48
○ 2026-04-10 17:20:08
● 2026-04-11 03:09:40
● 2026-04-11 09:01:52
○ 2026-04-12 05:41:38
○ 2026-04-13 06:20:04

○A108.139.47.82026-04-10 → 2026-04-11 · 8 obs

○ 2026-04-10 02:29:58
● 2026-04-10 08:17:48
○ 2026-04-10 09:37:48
○ 2026-04-10 17:20:08
● 2026-04-11 03:09:40
● 2026-04-11 09:01:52
○ 2026-04-12 05:41:38
○ 2026-04-13 06:20:04

○A108.139.47.92026-04-10 → 2026-04-11 · 8 obs

○ 2026-04-10 02:29:58
● 2026-04-10 08:17:48
○ 2026-04-10 09:37:48
○ 2026-04-10 17:20:08
● 2026-04-11 03:09:40
● 2026-04-11 09:01:52
○ 2026-04-12 05:41:38
○ 2026-04-13 06:20:04

○A18.245.162.1082026-04-05 → 2026-04-12 · 18 obs

○ 2026-04-04 14:39:26
● 2026-04-05 13:16:48
○ 2026-04-06 04:42:36
● 2026-04-06 05:21:12
○ 2026-04-06 16:48:06
○ 2026-04-07 07:39:46
● 2026-04-08 07:43:40
● 2026-04-09 11:23:28
○ 2026-04-10 02:29:58
○ 2026-04-10 09:37:48
● 2026-04-10 17:20:08
○ 2026-04-11 03:09:40
○ 2026-04-11 09:01:52
● 2026-04-12 05:41:38
○ 2026-04-12 07:25:42
● 2026-04-12 22:48:12
○ 2026-04-13 06:20:02
○ 2026-04-13 06:20:04

○A18.245.162.122026-04-05 → 2026-04-12 · 18 obs

○A18.245.162.92026-04-05 → 2026-04-12 · 18 obs

○A18.245.162.992026-04-05 → 2026-04-12 · 18 obs

●A3.166.152.452026-04-06 → 2026-04-13 · 14 obs

○ 2026-04-06 05:21:12
● 2026-04-06 16:48:06
● 2026-04-07 07:39:46
○ 2026-04-08 07:43:40
○ 2026-04-09 11:23:28
● 2026-04-10 02:29:58
○ 2026-04-10 08:17:48
● 2026-04-10 09:37:48
○ 2026-04-10 17:20:08
○ 2026-04-12 05:41:38
● 2026-04-12 07:25:42
○ 2026-04-12 22:48:12
● 2026-04-13 06:20:02
● 2026-04-13 06:20:04

●A3.166.152.672026-04-06 → 2026-04-13 · 14 obs

●A3.166.152.892026-04-06 → 2026-04-13 · 14 obs

●A3.166.152.982026-04-06 → 2026-04-13 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
masscec.com	ns-542.awsdns-03.net, ns-409.awsdns-51.com, ns-1207.awsdns-22.org, ns-1851.awsdns-39.co.uk	1 record

✅ Authoritative Response

Server:205.251.196.183

NS records: ns-542.awsdns-03.net, ns-409.awsdns-51.com, ns-1207.awsdns-22.org, ns-1851.awsdns-39.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masscec.com (unsigned zone)

⏱️ Timing

Total: 285ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.152.98, 3.166.152.45...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-409.awsdns-51.com)

Analysis

IP Addresses

files.masscec.com maps to four IP numbers: 3.166.152.45, 3.166.152.67, 3.166.152.89 and 3.166.152.98.

Other host names, for instance kms.ninja, islandlab.co.kr, noventiq.com, siteshastaneciyizoia-gov.sites.infr.search.usa.gov and www.espacior.com.mx share IP numbers with files.masscec.com.

files.masscec.com - robtex.com