firebirdtutorial.org - dns.ninja

`firebirdtutorial.org`

DNSSEC	⚠️ Not signed
A	212.238.159.172^{🇳🇱 KPN212.238.0.0/16 B.V.}
		PTR	`212-238-159-172.fixed.kpn.net`
NS	`x.ns.joker.com` ⭐ ⚠️ Not in parent delegation
		A	194.245.103.13^{🇩🇪 CSL194.245.0.0/16 DE-CSL-GMBH-PA}
NS	`a.ns.joker.com` ⚠️ Not in zone NS records
		A	2a01:4f8:c0c:165b::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`y.ns.joker.com`
		A	23.88.49.189^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
NS	`b.ns.joker.com` ⚠️ Not in zone NS records
		A	159.25.97.69^{🇩🇪 CSL159.25.0.0/16}
			PTR	`b.ns.joker.com`
NS	`c.ns.joker.com` ⚠️ Not in zone NS records
		A	2607:5300:203:7e6d::2222^{🇨🇦 OVH2607:5300::/32 Hosting route}
			PTR	`z.ns.joker.com`
		A	192.95.37.184^{🇨🇦 OVH192.95.0.0/18 Hosting route}
			PTR	`z.ns.joker.com`
NS	`y.ns.joker.com` ⚠️ Not in parent delegation
		A	2a01:4f8:c0c:165b::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`y.ns.joker.com`
		A	23.88.49.189^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
NS	`z.ns.joker.com` ⚠️ Not in parent delegation
SOA	`x.ns.joker.com`hostmaster@joker.com 2012-03-12 #63

`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=1783463160

Same first word

firebirdtutorial.org

DNS History

7 records (7 active, 0 former)

●NSa.ns.joker.com2015-05-29 → 2026-07-07 · 2 obs

● 2015-05-29 23:54:14
● 2026-07-07 22:50:02

●NSb.ns.joker.com2015-05-29 → 2026-07-07 · 2 obs

● 2015-05-29 23:54:14
● 2026-07-07 22:50:02

●NSc.ns.joker.com2015-05-29 → 2026-07-07 · 2 obs

● 2015-05-29 23:54:14
● 2026-07-07 22:50:02

●NSx.ns.joker.com2026-03-21 → 2026-07-07 · 3 obs

○ 2015-05-29 23:54:14
● 2026-03-21 13:38:54
● 2026-07-07 22:50:02

●NSy.ns.joker.com2026-03-21 → 2026-07-07 · 3 obs

○ 2015-05-29 23:54:14
● 2026-03-21 13:38:54
● 2026-07-07 22:50:02

●NSz.ns.joker.com2026-03-21 → 2026-07-07 · 3 obs

○ 2015-05-29 23:54:14
● 2026-03-21 13:38:54
● 2026-07-07 22:50:02

●A212.238.159.1722015-05-29 → 2026-07-07 · 2 obs

● 2015-05-29 23:54:14
● 2026-07-07 22:50:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
firebirdtutorial.org	a.ns.joker.com, b.ns.joker.com, c.ns.joker.com	-

✅ Authoritative Response

Server:192.95.37.184

NS records: a.ns.joker.com, b.ns.joker.com, c.ns.joker.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firebirdtutorial.org (unsigned zone)

⏱️ Timing

Total: 3616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.238.159.172`
NS	3	`z.ns.joker.com, x.ns.joker.com...`
SOA	1	`x.ns.joker.com hostmaster.joker.com`

Analysis

IP Addresses

firebirdtutorial.org resolves to just one IP address, 212.238.159.172.

Host names like 212-238-159-172.fixed.kpn.net are further examples that share IP numbers with firebirdtutorial.org.

Name Servers

firebirdtutorial.org is served by 6 authoritative name servers — among them a.ns.joker.com, b.ns.joker.com, c.ns.joker.com and 3 others.

At least some of firebirdtutorial.org's name servers are shared with other domains, for example gapgun.info, prologi.net, sulaon.com and two more.

It is common for these name servers to be used in conjunction with the name servers x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.

Host names that have two IP addresses:

a.ns.joker.com resolves to two addresses: 23.88.49.189 and 2a01:4f8:c0c:165b::1.

c.ns.joker.com resolves to two addresses: 192.95.37.184 and 2607:5300:203:7e6d::2222.

y.ns.joker.com resolves to two addresses: 23.88.49.189 and 2a01:4f8:c0c:165b::1.

Host names that point to one IP address:

The hostname b.ns.joker.com resolves to 159.25.97.69.

The hostname x.ns.joker.com resolves to 194.245.103.13.

a.ns.joker.com along with y.ns.joker.com each resolve to 2a01:4f8:c0c:165b::1 IP addresses.

a.ns.joker.com along with y.ns.joker.com each resolve to 23.88.49.189 IP addresses.