`bicontractors.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	217.160.0.72^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1120.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5378:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.org`
		A	217.160.83.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.org`
NS	`ns1120.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5178:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.biz`
		A	217.160.81.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.biz`
NS	`ns1120.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5278:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.com`
		A	217.160.82.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.com`
NS	`ns1120.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:120^{🇺🇸 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	`ns1120.ui-dns.de`
		A	217.160.80.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.de`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		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	`ns1120.ui-dns.org`hostmaster@1and1.co.uk 2016-07-14 #19

`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=1778771431

Same first word

bicontractors.com

DNS History

14 records (8 active, 6 former)

●NSns1120.ui-dns.biz2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

●NSns1120.ui-dns.com2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

●NSns1120.ui-dns.de2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

●NSns1120.ui-dns.org2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

○NSns67.1and1.co.uk2015-06-03 → 2016-11-25 · 3 obs

● 2015-06-03 14:57:24
● 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

○NSns68.1and1.co.uk2015-06-03 → 2016-11-25 · 3 obs

● 2015-06-03 14:57:24
● 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

○MXmx00.1and1.co.uk2015-06-03 → 2016-11-25 · 3 obs

● 2015-06-03 14:57:24
● 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

●MXmx00.ionos.co.uk2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

○MXmx01.1and1.co.uk2015-06-03 → 2016-11-25 · 3 obs

● 2015-06-03 14:57:24
● 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

●MXmx01.ionos.co.uk2026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

●A2001:8d8:100f:f000::2002026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

●A217.160.0.722026-05-14 → 2026-05-14 · 2 obs

○ 2016-11-25 09:49:40
● 2026-05-14 15:28:34

○A217.160.122.132016-11-25 → 2016-11-25 · 3 obs

○ 2016-04-06 16:49:12
● 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

○A82.165.203.922015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 14:57:24
● 2016-04-06 16:49:12
○ 2016-11-25 09:49:40
○ 2026-05-14 15:28:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
bicontractors.com	ns1120.ui-dns.de, ns1120.ui-dns.biz, ns1120.ui-dns.org, ns1120.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.120

NS records: ns1120.ui-dns.de, ns1120.ui-dns.biz, ns1120.ui-dns.org, ns1120.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bicontractors.com (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.72`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1120.ui-dns.org, ns1120.ui-dns.de...`
MX	2	`mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1120.ui-dns.org hostmaster.1and1.co.uk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1120.ui-dns.com, ns1120.ui-dns.com)

Analysis

IP Addresses

bicontractors.com points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.72.

Other host names such as servox.com, jagdhaus-wiese.eu, www.allanreagan.com, siegfried-lenz-schule.com and talkitbetter.co.uk share IP numbers with bicontractors.com.

Name Servers

bicontractors.com is delegated to four name servers: ns1120.ui-dns.biz, ns1120.ui-dns.com, ns1120.ui-dns.de and ns1120.ui-dns.org.

At least part of the name servers for bicontractors.com are shared with other domains, for instance tcm-asia.com, arbeitsmedizin-und-sicherheit.de, peter-buettner.de, plateaugeoscience.com and 3lonline.de.

These name servers are commonly used with ns1122.ui-dns.org, ns1111.ui-dns.com, ns1108.ui-dns.org and ns1029.ui-dns.com.

Host names with two IP numbers:

ns1120.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5178:100 and 217.160.81.120

ns1120.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5278:100 and 217.160.82.120

ns1120.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:120 and 217.160.80.120

ns1120.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5378:100 and 217.160.83.120

Mail Servers

bicontractors.com is handled by two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.

bicontractors.com uses the same mail server setup as other domains, for instance deberiat.eu, rayphillips.co.uk, aqbarandrestaurant.co.uk, murdermysterystore.co.uk and via-k.co.uk.

Hostnames with a single IP

mx00.ionos.co.uk resolves to: 212.227.15.41.

mx01.ionos.co.uk resolves to: 217.72.192.67.

bicontractors.com - robtex.com