preprinttech.com - dns.ninja

`preprinttech.com`

DNSSEC	⚠️ Not signed
A	185.221.63.17^{🇬🇧 Zume185.221.63.0/24}
		PTR	`web2.bhx.zumedns.com`
NS	`ns0.zen.co.uk` ⭐
		A	2a02:8010:7:1::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
		A	212.23.8.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
NS	`ns1.zen.co.uk`
		A	2a02:8010:2:8::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
		A	212.23.3.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
MX	`preprinttech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
MX	`mailcluster.zen.co.uk`⁽²⁰⁾
		A	212.23.3.121^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`bastion02.mail.zen.net.uk`
		A	212.23.6.67^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`bastion04.mail.zen.net.uk`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns0.zen.co.uk`dnsmaster@zen.co.uk 2013-12-02 #14

`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=1785679287

Same first word

preprinttech.com

DNS History

7 records (5 active, 2 former)

●NSns0.zen.co.uk2015-06-02 → 2026-08-02 · 3 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2026-08-02 14:05:36

●NSns1.zen.co.uk2015-06-02 → 2026-08-02 · 3 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2026-08-02 14:05:36

○NSunamuno.zen.co.uk2015-06-02 → 2017-08-24 · 5 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2017-08-24 01:35:20
○ 2026-05-20 12:10:18
○ 2026-08-02 14:05:36

●MXmailcluster.zen.co.uk2015-06-02 → 2026-08-02 · 3 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2026-08-02 14:05:36

●MXpreprinttech-com.mail.protection.outlook.com2015-06-02 → 2026-08-02 · 3 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2026-08-02 14:05:36

●A185.221.63.172026-05-20 → 2026-08-02 · 3 obs

○ 2017-08-24 01:35:20
● 2026-05-20 12:10:18
● 2026-08-02 14:05:36

○A212.23.8.802015-06-02 → 2017-08-24 · 5 obs

○ 2008-03-20 02:25:40
● 2015-06-02 00:50:36
● 2017-08-24 01:35:20
○ 2026-05-20 12:10:18
○ 2026-08-02 14:05:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
preprinttech.com	ns0.zen.co.uk, ns1.zen.co.uk	-

✅ Authoritative Response

Server:212.23.3.1

NS records: ns0.zen.co.uk, ns1.zen.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preprinttech.com (unsigned zone)

⏱️ Timing

Total: 467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.221.63.17`
NS	2	`ns1.zen.co.uk, ns0.zen.co.uk`
MX	2	`preprinttech-com.mail.protection.outlook, mailcluster.zen.co.uk (pri: 20)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns0.zen.co.uk dnsmaster.zen.co.uk`

Analysis

IP Addresses

preprinttech.com resolves to just one IP address, 185.221.63.17.

Two other host names, along with carstenpohl.de, bakedbynes.com and c0ld.net, also share IP numbers with preprinttech.com.

Name Servers

preprinttech.com has two authoritative name servers — ns0.zen.co.uk and ns1.zen.co.uk.

preprinttech.com shares its NS records with other domains, for example nwusers.co.uk, 83.3.62.in-addr.arpa, markham-sheffield.co.uk and two others.

The name servers for preprinttech.com overlap at least partially with those of other domains — for example lowcross.co.uk.

Both ns0.zen.co.uk and ns1.zen.co.uk have two IP addresses each. ns0.zen.co.uk resolves to 212.23.8.1 and 2a02:8010:7:1::53; ns1.zen.co.uk resolves to 212.23.3.1 and 2a02:8010:2:8::53.

Mail Servers

preprinttech.com is served by two mail servers, mailcluster.zen.co.uk and preprinttech-com.mail.protection.outlook.com.

There is at least a partial MX overlap between preprinttech.com and other domains, including i-do-weddings.co.uk, vrscapes.com, josalter.org.uk and two others.

DNS names with 8 IP addresses:

preprinttech-com.mail.protection.outlook.com points to 52.101.68.0, 52.101.68.15, 52.101.68.32 and 5 other IP addresses.

Host names that have two IP addresses:

mailcluster.zen.co.uk resolves to 212.23.3.121 and 212.23.6.67.