`problem-child.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::280^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0280.elastic-ssl.ui-r.com`
A	217.160.0.3^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns-uk.1and1-dns.co.uk` ⭐ ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:5003:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.co.uk`
		A	217.160.80.3^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.co.uk`
NS	`ns-uk.1and1-dns.biz` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:5103:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.biz`
		A	217.160.81.3^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.biz`
NS	`ns-uk.1and1-dns.com` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:5203:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.com`
		A	217.160.82.3^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.com`
NS	`ns-uk.1and1-dns.org` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:5303:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.org`
		A	217.160.83.3^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-uk.1and1-dns.org`
NS	`ns59.1and1.co.uk` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:5027:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.de`
		A	217.160.80.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.de`
NS	`ns60.1and1.co.uk` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:5126:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1038.ui-dns.biz`
		A	217.160.81.38^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1038.ui-dns.biz`
MX	`mx00.1and1.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.1and1.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de -all`
SOA	`ns-uk.1and1-dns.co.uk`hostmaster@1and1.com 2016-04-15 #0

`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=1774620597

Same first word

problem-child.com

DNS History

15 records (10 active, 5 former)

●NSns-uk.1and1-dns.biz2015-05-09 → 2026-03-27 · 3 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2026-03-27 14:13:40

●NSns-uk.1and1-dns.co.uk2015-05-09 → 2026-03-27 · 3 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2026-03-27 14:13:40

●NSns-uk.1and1-dns.com2015-05-09 → 2026-03-27 · 3 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2026-03-27 14:13:40

●NSns-uk.1and1-dns.org2015-05-09 → 2026-03-27 · 3 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2026-03-27 14:13:40

●NSns59.1and1.co.uk2009-01-10 → 2026-03-27 · 4 obs

● 2009-01-10 23:13:04
○ 2015-05-09 22:32:26
○ 2017-04-03 20:14:32
● 2026-03-27 14:13:40

●NSns60.1and1.co.uk2009-01-10 → 2026-03-27 · 4 obs

● 2009-01-10 23:13:04
○ 2015-05-09 22:32:26
○ 2017-04-03 20:14:32
● 2026-03-27 14:13:40

●MXmx00.1and1.co.uk2009-01-10 → 2026-03-27 · 2 obs

● 2009-01-10 23:13:04
● 2026-03-27 14:13:40

●MXmx01.1and1.co.uk2009-01-10 → 2026-03-27 · 2 obs

● 2009-01-10 23:13:04
● 2026-03-27 14:13:40

○A2001:8d8:1001:5c1:331d:b2c:f:d80e2016-09-11 → 2017-04-03 · 4 obs

○ 2016-04-03 23:37:18
● 2016-09-11 01:54:52
● 2017-04-03 20:14:32
○ 2026-03-27 14:13:40

○A2001:8d8:1001:5c1:d2c7:a947:4912:10122015-05-09 → 2016-04-03 · 5 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2016-04-03 23:37:18
○ 2016-09-11 01:54:52
○ 2026-03-27 14:13:40

●A2001:8d8:100f:f000::2802026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-03 20:14:32
● 2026-03-27 14:13:40

○A213.165.77.22015-05-09 → 2016-04-03 · 5 obs

○ 2009-01-10 23:13:04
● 2015-05-09 22:32:26
● 2016-04-03 23:37:18
○ 2016-09-11 01:54:52
○ 2026-03-27 14:13:40

●A217.160.0.32026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-03 20:14:32
● 2026-03-27 14:13:40

○A217.160.231.282016-09-11 → 2017-04-03 · 4 obs

○ 2016-04-03 23:37:18
● 2016-09-11 01:54:52
● 2017-04-03 20:14:32
○ 2026-03-27 14:13:40

○A87.106.233.1282009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 23:13:04
○ 2015-05-09 22:32:26
○ 2026-03-27 14:13:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
problem-child.com	ns59.1and1.co.uk, ns60.1and1.co.uk	-

✅ Authoritative Response

Server:217.160.80.39

NS records: ns59.1and1.co.uk, ns60.1and1.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for problem-child.com (unsigned zone)

⏱️ Timing

Total: 916ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.3`
AAAA	1	`2001:8d8:100f:f000::280`
NS	4	`ns-uk.1and1-dns.biz, ns-uk.1and1-dns.com...`
MX	2	`mx01.1and1.co.uk (pri: 10), mx00.1and1.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf.perfora.net include:`
SOA	1	`ns-uk.1and1-dns.co.uk hostmaster.1and1.c`

Analysis

IP Addresses

problem-child.com resolves to two IPs: 2001:8d8:100f:f000::280 and 217.160.0.3.

other host names for instance marketportal.de, efoil.info, pott-promotion.de, scale-modell-truck-trial.de and laraariganello.com share IP numbers with problem-child.com.

Name Servers

problem-child.com is delegated to six name servers: ns-uk.1and1-dns.biz, ns-uk.1and1-dns.com, ns-uk.1and1-dns.org, ns-uk.1and1-dns.co.uk, ns59.1and1.co.uk and ns60.1and1.co.uk.

problem-child.com at least partially shares name servers with other domains, for instance apprenticeship.website, moorfieldint.com, smartsystems.services, kabirul.com and spystore.co.uk.

Host names with two IP numbers:

ns-uk.1and1-dns.biz points to 2001:8d8:fe:53:0:d9a0:5103:100 and 217.160.81.3.

ns-uk.1and1-dns.com points to 2001:8d8:fe:53:0:d9a0:5203:100 and 217.160.82.3.

ns-uk.1and1-dns.org points to 2001:8d8:fe:53:0:d9a0:5303:100 and 217.160.83.3.

ns-uk.1and1-dns.co.uk points to 2001:8d8:fe:53:0:d9a0:5003:100 and 217.160.80.3.

ns59.1and1.co.uk points to 2001:8d8:fe:53:0:d9a0:5027:100 and 217.160.80.39.

ns60.1and1.co.uk points to 2001:8d8:fe:53:0:d9a0:5126:100 and 217.160.81.38.

Mail Servers

problem-child.com is handled by two mail servers: mx00.1and1.co.uk and mx01.1and1.co.uk.

problem-child.com shares the same mail server setup as other domains, for instance dogfriendly.directory, www.somethingusefulproject.com, s110380896.websitehome.co.uk, s102056404.websitehome.co.uk and s406054003.websitehome.co.uk.

problem-child.com shares mail servers with other domains at least partially, including tfast.co.uk, mail.bhatt-consulting.com, travelup.tv, mail.nortechgaragedoors.co.uk and civilceremonies.info.

Host names with one IP number:

The host mx00.1and1.co.uk points to 212.227.15.41 and the host mx01.1and1.co.uk points to 217.72.192.67.

problem-child.com - robtex.com