`mathholdings.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2fc^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02fc.elastic-ssl.ui-r.com`
A	217.160.0.57^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1075.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:75^{🇺🇸 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	`ns1075.ui-dns.de`
		A	217.160.80.75^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.de`
NS	`ns1075.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:514b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.biz`
		A	217.160.81.75^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.biz`
NS	`ns1075.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:524b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.com`
		A	217.160.82.75^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.com`
NS	`ns1075.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:534b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.org`
		A	217.160.83.75^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1075.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`
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	`ns1075.ui-dns.de`hostmaster@1and1.co.uk 2017-06-10 #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=1771291435

Same first word

mathholdings.com

DNS History

14 records (8 active, 6 former)

●NSns1075.ui-dns.biz2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

●NSns1075.ui-dns.com2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

●NSns1075.ui-dns.de2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

●NSns1075.ui-dns.org2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

○NSns45.1and1.co.uk2015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

○NSns46.1and1.co.uk2015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

○MXmx00.1and1.co.uk2015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

●MXmx00.ionos.co.uk2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

○MXmx01.1and1.co.uk2015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

●MXmx01.ionos.co.uk2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

○A2001:8d8:1000:c3cc:a1ef:7c56:65de:8102015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

●A2001:8d8:100f:f000::2fc2026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

●A217.160.0.572026-03-24 → 2026-03-24 · 2 obs

○ 2016-11-28 21:43:46
● 2026-03-24 13:39:14

○A82.165.255.842015-06-23 → 2016-11-28 · 3 obs

● 2015-06-23 06:08:02
● 2016-11-28 21:43:46
○ 2026-03-24 13:39:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
mathholdings.com	ns1075.ui-dns.de, ns1075.ui-dns.biz, ns1075.ui-dns.org, ns1075.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.75

NS records: ns1075.ui-dns.de, ns1075.ui-dns.biz, ns1075.ui-dns.org, ns1075.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathholdings.com (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.57`
AAAA	1	`2001:8d8:100f:f000::2fc`
NS	4	`ns1075.ui-dns.org, ns1075.ui-dns.biz...`
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	`ns1075.ui-dns.de hostmaster.1and1.co.uk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1075.ui-dns.com, ns1075.ui-dns.com)

Analysis

IP Addresses

mathholdings.com resolves to two IP numbers: 2001:8d8:100f:f000::2fc and 217.160.0.57.

other host names including gapyear4x4.com, stefanwinkler.net, delltek.de, designer-village-wolfsburg.com and kuehlschrankdichtung.com share IP numbers with mathholdings.com.

Name Servers

mathholdings.com is delegated to four name servers: ns1075.ui-dns.biz, ns1075.ui-dns.com, ns1075.ui-dns.de and ns1075.ui-dns.org.

mathholdings.com at least partially shares name servers with other domains, for instance doc-safe.co.uk, matthewgranger.com, superstreusel.de, 100hotels.com and projectlime.co.uk.

These name servers are commonly used with ns1036.ui-dns.de, ns1076.ui-dns.org, ns1072.ui-dns.biz, ns1056.ui-dns.biz and ns1110.ui-dns.com.

Host names with two IP numbers:

ns1075.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:514b:100 and 217.160.81.75; ns1075.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:524b:100 and 217.160.82.75; ns1075.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:75 and 217.160.80.75; ns1075.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:534b:100 and 217.160.83.75.

Mail Servers

Two mail servers handle mathholdings.com: mx00.ionos.co.uk and mx01.ionos.co.uk.

mathholdings.com shares the same mail server setup as other domains, for instance harrox.net, centauraconsulting.com, kastoffkinks.co.uk, bodbod.com and plgphotx.com.

Host names with one IP number:

mx00.ionos.co.uk points to 212.227.15.41

mx01.ionos.co.uk points to 217.72.192.67

mathholdings.com - robtex.com