`sequence-engineering.com`

DNSSEC	⚠️ Not signed
A	2a02:2268:1:0:f816:3eff:fe7b:63c6^{🇳🇱 HOSTNET2a02:2268::/32}
A	91.184.0.200^{🇩🇰 ONECOM91.184.0.0/19}
NS	`ns01.hostnet.nl` ⭐
		A	2001:67c:28cc::13^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns1.hostnet.nl`
		A	195.206.121.13^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns1.hostnet.nl`
NS	`ns02.hostnet.nl`
		A	2001:67c:3c0::13^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns2.hostnet.nl`
		A	185.10.11.13^{ONECOM185.10.11.0/24}
			PTR	`ns2.hostnet.nl`
TXT	`v=spf1 a mx include:_spf.hostnet.nl -all`
SOA	`ns01.hostnet.nl`hostmaster@hostnet.nl 2026-01-24 #1

`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=1776231537

Previously MX for

sequence-engineering.com

Same first word

sequence-engineering.com

DNS History

10 records (4 active, 6 former)

○NSniso.lanabox.com2016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

●NSns01.hostnet.nl2026-04-08 → 2026-04-15 · 3 obs

○ 2017-11-28 04:25:48
● 2026-04-08 22:18:48
● 2026-04-15 06:04:10

●NSns02.hostnet.nl2026-04-08 → 2026-04-15 · 3 obs

○ 2017-11-28 04:25:48
● 2026-04-08 22:18:48
● 2026-04-15 06:04:10

○NSns370857.ip-91-121-104.eu2016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

○NSsdns2.ovh.net2016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

○NSzaza.lanabox.com2016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

○MXsequence-engineering.com2016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

●A2a02:2268:1:0:f816:3eff:fe7b:63c62026-04-08 → 2026-04-15 · 3 obs

○ 2017-11-28 04:25:48
● 2026-04-08 22:18:48
● 2026-04-15 06:04:10

○A91.121.104.292016-12-20 → 2017-11-28 · 4 obs

● 2016-12-20 01:32:28
● 2017-11-28 04:25:48
○ 2026-04-08 22:18:48
○ 2026-04-15 06:04:10

●A91.184.0.2002026-04-08 → 2026-04-15 · 3 obs

○ 2017-11-28 04:25:48
● 2026-04-08 22:18:48
● 2026-04-15 06:04:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sequence-engineering.com	ns01.hostnet.nl, ns02.hostnet.nl	-

✅ Authoritative Response

Server:185.10.11.13

NS records: ns01.hostnet.nl, ns02.hostnet.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sequence-engineering.com (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.184.0.200`
AAAA	1	`2a02:2268:1:0:f816:3eff:fe7b:63c6`
NS	2	`ns02.hostnet.nl, ns01.hostnet.nl`
TXT	1	`v=spf1 a mx include:_spf.hostnet.nl -all`
SOA	1	`ns01.hostnet.nl hostmaster.hostnet.nl`

Analysis

IP Addresses

sequence-engineering.com points to two IP numbers: 2a02:2268:1:0:f816:3eff:fe7b:63c6 and 91.184.0.200.

Other host names, for instance mx1.steenwinkel.name, mail.polko.nl, usacyclists.com, manulectro.com and culter.nl share IP numbers with sequence-engineering.com.

Name Servers

sequence-engineering.com is delegated to two name servers: ns01.hostnet.nl and ns02.hostnet.nl.

sequence-engineering.com uses the same name server setup as other domains, for instance rt.je, tlant.nl, preparatenshop.com, wetram.info and nlradio.nl.

Host names with two IP numbers:

The host ns01.hostnet.nl points to 2001:67c:28cc::13 and 195.206.121.13.

The host ns02.hostnet.nl points to 2001:67c:3c0::13 and 185.10.11.13.

sequence-engineering.com - robtex.com