twentyfirstcenturyscience.info - dns.ninja

`twentyfirstcenturyscience.info`

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	217.160.0.152^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1101.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:101^{🇺🇸 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	`ns1101.ui-dns.com`
		A	185.132.34.101^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1101.ui-dns.com`
NS	`ns1101.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:101^{🇺🇸 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	`ns1101.ui-dns.biz`
		A	185.132.33.101^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1101.ui-dns.biz`
NS	`ns1101.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:101^{🇺🇸 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	`ns1101.ui-dns.de`
		A	185.132.32.101^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1101.ui-dns.de`
NS	`ns1101.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:101^{🇺🇸 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	`ns1101.ui-dns.org`
		A	185.132.35.101^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1101.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	`ns1101.ui-dns.com`hostmaster@1and1.co.uk 2016-04-18 #5

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1785844980

Same first word

twentyfirstcenturyscience.com

twentyfirstcenturyscience.info

DNS History

14 records (8 active, 6 former)

●NSns1101.ui-dns.biz2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

●NSns1101.ui-dns.com2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

●NSns1101.ui-dns.de2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

●NSns1101.ui-dns.org2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

○NSns45.1and1.co.uk2015-07-10 → 2017-02-14 · 4 obs

● 2015-07-10 14:08:30
● 2017-02-14 08:12:10
○ 2026-07-03 23:55:50
○ 2026-08-04 12:33:10

○NSns46.1and1.co.uk2015-07-10 → 2017-02-14 · 4 obs

● 2015-07-10 14:08:30
● 2017-02-14 08:12:10
○ 2026-07-03 23:55:50
○ 2026-08-04 12:33:10

○MXmx00.1and1.co.uk2015-07-10 → 2017-02-14 · 4 obs

● 2015-07-10 14:08:30
● 2017-02-14 08:12:10
○ 2026-07-03 23:55:50
○ 2026-08-04 12:33:10

●MXmx00.ionos.co.uk2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

○MXmx01.1and1.co.uk2015-07-10 → 2017-02-14 · 4 obs

● 2015-07-10 14:08:30
● 2017-02-14 08:12:10
○ 2026-07-03 23:55:50
○ 2026-08-04 12:33:10

●MXmx01.ionos.co.uk2026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

●A2001:8d8:100f:f000::2002026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

●A217.160.0.1522026-07-03 → 2026-08-04 · 3 obs

○ 2017-02-14 08:12:10
● 2026-07-03 23:55:50
● 2026-08-04 12:33:10

○A217.160.231.902016-04-26 → 2017-02-14 · 5 obs

○ 2016-02-07 11:32:24
● 2016-04-26 05:27:46
● 2017-02-14 08:12:10
○ 2026-07-03 23:55:50
○ 2026-08-04 12:33:10

○A82.165.72.1322015-07-10 → 2016-02-07 · 4 obs

● 2015-07-10 14:08:30
● 2016-02-07 11:32:24
○ 2016-04-26 05:27:46
○ 2026-08-04 12:33:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	c0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info	-
twentyfirstcenturyscience.info	ns1101.ui-dns.de, ns1101.ui-dns.biz, ns1101.ui-dns.com, ns1101.ui-dns.org	-

✅ Authoritative Response

Server:185.132.34.101

NS records: ns1101.ui-dns.de, ns1101.ui-dns.biz, ns1101.ui-dns.com, ns1101.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twentyfirstcenturyscience.info (unsigned zone)

⏱️ Timing

Total: 593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.152`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1101.ui-dns.biz, ns1101.ui-dns.de...`
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	`ns1101.ui-dns.com hostmaster.1and1.co.uk`

Analysis

IP Addresses

twentyfirstcenturyscience.info points to the IP addresses 217.160.0.152 and 2001:8d8:100f:f000::200

Additional host names — bigdatainmobiliario.com, flumm.net, ibtexte.de and two others — share IP numbers with twentyfirstcenturyscience.info.

Name Servers

twentyfirstcenturyscience.info has four authoritative name servers: ns1101.ui-dns.biz, ns1101.ui-dns.com, ns1101.ui-dns.de and ns1101.ui-dns.org.

There is at least partial name server overlap between twentyfirstcenturyscience.info and other domains — mpltechnologygroup.com, bazookaproof.com, aleit.com and two more among them.

These name servers regularly appear alongside ns1094.ui-dns.org, ns1034.ui-dns.biz, ns1122.ui-dns.de and 4 other name servers in NS record sets.

All four hostnames — ns1101.ui-dns.biz, ns1101.ui-dns.com, ns1101.ui-dns.de and ns1101.ui-dns.org — resolve to two IP numbers apiece: ns1101.ui-dns.biz to 185.132.33.101 and 2607:f1c0:fe:53:185:132:33:101; ns1101.ui-dns.com to 185.132.34.101 and 2607:f1c0:fe:53:185:132:34:101; ns1101.ui-dns.de to 185.132.32.101 and 2607:f1c0:fe:53:185:132:32:101; ns1101.ui-dns.org to 185.132.35.101 and 2607:f1c0:fe:53:185:132:35:101.

Mail Servers

twentyfirstcenturyscience.info has two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.

twentyfirstcenturyscience.info shares the same mail server setup as other domains, including bccgs.co.uk, ckuk.london, midgleys.co.uk and two others.

mx00.ionos.co.uk → 212.227.15.41 and mx01.ionos.co.uk → 217.72.192.67: one IP number per host name.