`fiberopticengineeringcorp.com`

DNSSEC	⚠️ Not signed
A	104.168.133.102^{🇺🇸 HOSTWINDS-1104.168.128.0/17 MNT-HL-29 route 104.168.128.000/17 AS54290}
		PTR	`hwsrv-124649.hostwindsdns.com`
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`fiberopticengineeringcorp.com` ⭐
		A	104.168.133.102^{🇺🇸 HOSTWINDS-1104.168.128.0/17 MNT-HL-29 route 104.168.128.000/17 AS54290}
			PTR	`hwsrv-124649.hostwindsdns.com`
SOA	`ns1.linode.com`admin@fiberopticengineeringcorp.com serial=2021000002

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774518757

MX for

fiberopticengineeringcorp.com

Same first word

fiberopticengineeringcorp.com

DNS History

15 records (7 active, 8 former)

●NSns1.linode.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

●NSns2.linode.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

●NSns3.linode.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

●NSns4.linode.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

○NSns43.domaincontrol.com2015-06-06 → 2019-03-31 · 4 obs

● 2015-06-06 05:02:40
● 2019-03-31 17:08:56
○ 2026-03-20 12:46:20
○ 2026-03-26 09:59:30

○NSns44.domaincontrol.com2015-06-06 → 2019-03-31 · 4 obs

● 2015-06-06 05:02:40
● 2019-03-31 17:08:56
○ 2026-03-20 12:46:20
○ 2026-03-26 09:59:30

●NSns5.linode.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

●MXfiberopticengineeringcorp.com2026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

○MXmailstore1.secureserver.net2015-06-06 → 2019-03-31 · 4 obs

● 2015-06-06 05:02:40
● 2019-03-31 17:08:56
○ 2026-03-20 12:46:20
○ 2026-03-26 09:59:30

○MXsmtp.secureserver.net2015-06-06 → 2019-03-31 · 4 obs

● 2015-06-06 05:02:40
● 2019-03-31 17:08:56
○ 2026-03-20 12:46:20
○ 2026-03-26 09:59:30

●A104.168.133.1022026-03-20 → 2026-03-26 · 3 obs

○ 2019-03-31 17:08:56
● 2026-03-20 12:46:20
● 2026-03-26 09:59:30

○A208.109.181.732015-06-06 → 2015-10-29 · 4 obs

● 2015-06-06 05:02:40
● 2015-10-29 19:51:38
○ 2016-03-01 22:01:02
○ 2026-03-26 09:59:30

○A23.236.62.1472019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-06 21:51:32
● 2019-03-31 17:08:56
○ 2026-03-20 12:46:20
○ 2026-03-26 09:59:30

○A50.63.102.12017-02-06 → 2017-02-06 · 4 obs

○ 2016-06-19 21:46:58
● 2017-02-06 21:51:32
○ 2019-03-31 17:08:56
○ 2026-03-26 09:59:30

○A72.21.92.42016-03-01 → 2016-06-19 · 5 obs

○ 2015-10-29 19:51:38
● 2016-03-01 22:01:02
● 2016-06-19 21:46:58
○ 2017-02-06 21:51:32
○ 2026-03-26 09:59:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
fiberopticengineeringcorp.com	ns1.linode.com, ns2.linode.com	4 records

✅ Authoritative Response

Server:92.123.94.3

NS records: ns1.linode.com, ns2.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fiberopticengineeringcorp.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.168.133.102`
NS	5	`ns5.linode.com, ns4.linode.com...`
MX	1	`fiberopticengineeringcorp.com (pri: 10)`
SOA	1	`ns1.linode.com admin.fiberopticengineeri`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Mail Server Role

fiberopticengineeringcorp.com serves as the mail server for fiberopticengineeringcorp.com.

IP Addresses

fiberopticengineeringcorp.com points to a single IP number: 104.168.133.102.

Other host names, for instance mx0.volleyballnewsletter.com, mx0.transgenderlegal.com, adeadforestindex.com, volleyballnewsletter.com and www.transgenderlegal.com share IP numbers with fiberopticengineeringcorp.com.

Name Servers

fiberopticengineeringcorp.com is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

fiberopticengineeringcorp.com shares name servers with other domains at least partially, for instance brettcroman.com, raggio-studio.com, employeebgc.com, alterepo.com and leskimo.com.

Host names with two IP numbers:

ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.

ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.

ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.

ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4.

ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2.

Mail Servers

A single mail server handles fiberopticengineeringcorp.com and fiberopticengineeringcorp.com.

Host name fiberopticengineeringcorp.com resolves to IP 104.168.133.102.

fiberopticengineeringcorp.com - robtex.com