19thcenturyscience.org - dns.ninja

`19thcenturyscience.org`

DNSSEC	⚠️ Not signed
A	193.191.134.34^{🇧🇪 BELNET193.190.0.0/15}
NS	`ns.vliz.be` ⭐
		A	193.191.134.7^{🇧🇪 BELNET193.190.0.0/15}
			PTR	`ns.vliz.be`
NS	`ns1.belnet.be`
		A	2001:6a8:3c80::14^{🇧🇪 BELNET2001:6a8::/32}
			PTR	`dns-auth-1-brueve.belnet.be`
		A	193.190.198.14^{🇧🇪 BELNET193.190.0.0/15}
			PTR	`dns-auth-1-brueve.belnet.be`
NS	`ns2.belnet.be`
		A	2001:6a8:3c80:c000::40^{🇧🇪 BELNET2001:6a8::/32}
			PTR	`dns-auth-2.belnet.be`
		A	193.190.182.40^{🇧🇪 BELNET193.190.0.0/15}
NS	`ns3.belnet.be`
		A	2a01:3f1:832::53^{🇸🇪 NETNOD-IX2a01:3f1:800::/38 NDS EUROPE-1 $Id: route6_2a01:3f1:0800::-38,v 1.1 2019/10/04 10:07:35 mem Exp $}
			PTR	`europe1.dnsnode.net`
		A	194.58.196.32^{🇸🇪 NETNOD-IX194.58.196.0/24 NDS E}
			PTR	`europe1.dnsnode.net`
MX	`mx1-eu1.ppe-hosted.com` ⭐
		A	91.209.104.155^{🇺🇸 PROOFPOINT-ASN-EU91.209.104.0/24 route originated by PROOFPOINT}
			PTR	`mx1-eu1.ppe-hosted.com`
		A	185.132.181.16^{🇬🇧 PROOFPOINT-ASN-EU185.132.181.0/24}
			PTR	`mx1-eu1.ppe-hosted.com`
MX	`mx2-eu1.ppe-hosted.com`⁽²⁰⁾
		A	91.209.104.156^{🇺🇸 PROOFPOINT-ASN-EU91.209.104.0/24 route originated by PROOFPOINT}
			PTR	`mx2-eu1.ppe-hosted.com`
		A	185.132.181.17^{🇬🇧 PROOFPOINT-ASN-EU185.132.181.0/24}
			PTR	`mx2-eu1.ppe-hosted.com`
TXT	`ppe-60d23a807755e76f78ec174b653c54d8c74a14ad`
SOA	`ns.vliz.be`domains@vliz.be 2022-09-19 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786208237

WOT: SAFE (59/100)

Previously MX for

19thcenturyscience.org

Subdomains

geology.19thcenturyscience.org

Same first word

19thcenturyscience.org

DNS History

15 records (7 active, 8 former)

●NSns.vliz.be2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○NSns1.19thcenturyscience.org2017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 04:38:30
● 2017-01-07 17:36:46
○ 2026-03-27 15:14:46
○ 2026-08-08 17:19:30

●NSns1.belnet.be2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○NSns1.ixwebhosting.com2015-06-08 → 2016-04-17 · 4 obs

● 2015-06-08 13:15:34
● 2016-04-17 04:38:30
○ 2017-01-07 17:36:46
○ 2026-08-08 17:19:30

○NSns2.19thcenturyscience.org2017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 04:38:30
● 2017-01-07 17:36:46
○ 2026-03-27 15:14:46
○ 2026-08-08 17:19:30

●NSns2.belnet.be2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○NSns2.ixwebhosting.com2015-06-08 → 2016-04-17 · 4 obs

● 2015-06-08 13:15:34
● 2016-04-17 04:38:30
○ 2017-01-07 17:36:46
○ 2026-08-08 17:19:30

●NSns3.belnet.be2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○MX19thcenturyscience.org2017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 04:38:30
● 2017-01-07 17:36:46
○ 2026-03-27 15:14:46
○ 2026-08-08 17:19:30

○MXmail-11.ixwebhosting.com2015-06-08 → 2016-04-17 · 4 obs

● 2015-06-08 13:15:34
● 2016-04-17 04:38:30
○ 2017-01-07 17:36:46
○ 2026-08-08 17:19:30

●MXmx1-eu1.ppe-hosted.com2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

●MXmx2-eu1.ppe-hosted.com2026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○A166.63.125.2252017-01-07 → 2017-01-07 · 4 obs

○ 2016-04-17 04:38:30
● 2017-01-07 17:36:46
○ 2026-03-27 15:14:46
○ 2026-08-08 17:19:30

●A193.191.134.342026-03-27 → 2026-08-08 · 3 obs

○ 2017-01-07 17:36:46
● 2026-03-27 15:14:46
● 2026-08-08 17:19:30

○A98.131.173.952015-06-08 → 2016-04-17 · 4 obs

● 2015-06-08 13:15:34
● 2016-04-17 04:38:30
○ 2017-01-07 17:36:46
○ 2026-08-08 17:19:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
19thcenturyscience.org	ns.vliz.be, ns1.belnet.be, ns2.belnet.be, ns3.belnet.be	-

✅ Authoritative Response

Server:194.58.196.32

NS records: ns.vliz.be, ns1.belnet.be, ns2.belnet.be, ns3.belnet.be

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 19thcenturyscience.org (unsigned zone)

⏱️ Timing

Total: 863ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.191.134.34`
NS	4	`ns3.belnet.be, ns2.belnet.be...`
MX	2	`mx1-eu1.ppe-hosted.com (pri: 10), mx2-eu1.ppe-hosted.com (pri: 20)`
TXT	1	`ppe-60d23a807755e76f78ec174b653c54d8c74a`
SOA	1	`ns.vliz.be domains.vliz.be`

Analysis

Hierarchy

geology.19thcenturyscience.org is a subdomain of 19thcenturyscience.org.

IP Addresses

19thcenturyscience.org points to a single IP number: 193.191.134.34.

Additional host names — marineboard.eu, compendiumkustenzee.be, cscope.eu and two others — share IP numbers with 19thcenturyscience.org.

Name Servers

19thcenturyscience.org has four authoritative name servers: ns1.belnet.be, ns2.belnet.be, ns3.belnet.be and ns.vliz.be.

The name servers of 19thcenturyscience.org overlap at least partially with those of other domains — among them dpbbrugge.be, defenceforyou.be, outi.be and two more.

These name servers commonly appear in delegations together with nsmaster.belnet.be, ns.belnet.be, ns1.unamur.be and 7 other.

Host names with two IP numbers:

ns1.belnet.be has two IP addresses: 193.190.198.14 and 2001:6a8:3c80::14.

ns2.belnet.be has two IP addresses: 193.190.182.40 and 2001:6a8:3c80:c000::40.

ns3.belnet.be has two IP addresses: 194.58.196.32 and 2a01:3f1:832::53.

Host names pointing to a single IP address:

ns.vliz.be directs to 193.191.134.7.

Mail Servers

19thcenturyscience.org has two mail servers: mx1-eu1.ppe-hosted.com and mx2-eu1.ppe-hosted.com.

19thcenturyscience.org shares the same mail server setup as other domains, including traceybros.com, leifgrimsrud.no, buffclothing.co.uk and two others.

19thcenturyscience.org shares mail servers — at least in part — with other domains, including alkoutprojects.com, cylum.tech, umanbox.com and two others.

mx1-eu1.ppe-hosted.com directs to 91.209.104.155 and 185.132.181.16. mx2-eu1.ppe-hosted.com directs to 91.209.104.156 and 185.132.181.17. Each host name carries two IP addresses.