`optical-technology.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.249^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1121.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:121^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1121.ui-dns.com`
		A	185.132.34.121^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1121.ui-dns.com`
NS	`ns1121.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:121^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1121.ui-dns.biz`
		A	185.132.33.121^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1121.ui-dns.biz`
NS	`ns1121.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:121^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1121.ui-dns.de`
		A	185.132.32.121^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1121.ui-dns.de`
NS	`ns1121.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:121^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1121.ui-dns.org`
		A	185.132.35.121^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1121.ui-dns.org`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
		A	212.227.15.171^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	212.227.15.188^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx01.kundenserver.de`
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1121.ui-dns.com`hostmaster@1and1.com 2016-04-28 #5

`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=1786014299

Same first word

optical-technology.com

DNS History

20 records (8 active, 12 former)

○NSns-uk.1and1-dns.biz2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

○NSns-uk.1and1-dns.co.uk2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

○NSns-uk.1and1-dns.com2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

○NSns-uk.1and1-dns.org2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

●NSns1121.ui-dns.biz2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

●NSns1121.ui-dns.com2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

●NSns1121.ui-dns.de2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

●NSns1121.ui-dns.org2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

○MXmx00.1and1.co.uk2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

●MXmx00.ionos.co.uk2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

○MXmx01.1and1.co.uk2015-07-09 → 2017-07-05 · 4 obs

● 2015-07-09 06:53:18
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

●MXmx01.ionos.co.uk2026-02-25 → 2026-08-06 · 3 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-08-06 11:16:34

○A2001:8d8:1000:60d7:29cf:d549:61e5:70062015-07-09 → 2016-03-24 · 4 obs

● 2015-07-09 06:53:18
● 2016-03-24 22:35:04
○ 2016-09-26 09:27:34
○ 2026-08-06 11:16:34

○A2001:8d8:1000:60d7:9c82:58c7:2a3:30542016-09-26 → 2017-07-05 · 5 obs

○ 2016-03-24 22:35:04
● 2016-09-26 09:27:34
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

●A2001:8d8:100f:f000::2002026-05-06 → 2026-08-06 · 3 obs

○ 2026-03-29 12:28:06
● 2026-05-06 06:07:22
● 2026-08-06 11:16:34

○A2001:8d8:100f:f000::27c2026-02-25 → 2026-03-29 · 5 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-03-29 12:28:06
○ 2026-05-06 06:07:22
○ 2026-08-06 11:16:34

○A217.160.0.2432026-02-25 → 2026-03-29 · 5 obs

○ 2017-07-05 16:44:54
● 2026-02-25 16:46:50
● 2026-03-29 12:28:06
○ 2026-05-06 06:07:22
○ 2026-08-06 11:16:34

●A217.160.0.2492026-05-06 → 2026-08-06 · 3 obs

○ 2026-03-29 12:28:06
● 2026-05-06 06:07:22
● 2026-08-06 11:16:34

○A217.160.223.482016-09-26 → 2017-07-05 · 5 obs

○ 2016-03-24 22:35:04
● 2016-09-26 09:27:34
● 2017-07-05 16:44:54
○ 2026-02-25 16:46:50
○ 2026-08-06 11:16:34

○A82.165.123.1652015-07-09 → 2016-03-24 · 4 obs

● 2015-07-09 06:53:18
● 2016-03-24 22:35:04
○ 2016-09-26 09:27:34
○ 2026-08-06 11:16:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optical-technology.com	ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.121

NS records: ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optical-technology.com (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.249`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1121.ui-dns.de, ns1121.ui-dns.org...`
MX	2	`mx01.ionos.co.uk (pri: 10), mx00.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1121.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1121.ui-dns.com, ns1121.ui-dns.com)

Analysis

IP Addresses

optical-technology.com has two IP addresses: 217.160.0.249 and 2001:8d8:100f:f000::200

Additional host names — grupolilymonet.com, fimro.de, krystalhessberger.net and two others — share IP numbers with optical-technology.com.

Name Servers

optical-technology.com has four authoritative name servers: ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org.

The name servers of optical-technology.com overlap at least partially with those of other domains — among them red-lab.de, clenetix.com, mitraqua.es and two more.

These name servers commonly appear in delegations together with ns1081.ui-dns.com, ns1061.ui-dns.biz, ns1114.ui-dns.com and 3 other.

Each of the four hosts ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org has two IP addresses. ns1121.ui-dns.biz points to 185.132.33.121 and 2607:f1c0:fe:53:185:132:33:121. ns1121.ui-dns.com points to 185.132.34.121 and 2607:f1c0:fe:53:185:132:34:121. ns1121.ui-dns.de points to 185.132.32.121 and 2607:f1c0:fe:53:185:132:32:121. ns1121.ui-dns.org points to 185.132.35.121 and 2607:f1c0:fe:53:185:132:35:121.

Mail Servers

optical-technology.com has two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.

optical-technology.com shares the same mail server setup as other domains, including emanager.mobi, slcservices.org, aerowebspace.co.uk and two others.

optical-technology.com has mail servers in common with other domains — electrostatics.net being one example.

The two host names mx00.ionos.co.uk and mx01.ionos.co.uk each have a pair of IP addresses: mx00.ionos.co.uk has 212.227.15.41 and 212.227.15.171, and mx01.ionos.co.uk has 212.227.15.188 and 217.72.192.67.

optical-technology.com - robtex.com