tutorbase.org - dns.ninja

`tutorbase.org`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net`
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p01.nsone.net`
NS	`dns3.p01.nsone.net`
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p01.nsone.net`
NS	`dns4.p01.nsone.net`
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p01.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1740158534

`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=1785620279

Same first word

tutorbase.org

tutorbase.com

tutorbase.co.uk

Similar names

DNS History

19 records (6 active, 13 former)

●NSdns1.p01.nsone.net2026-05-31 → 2026-08-01 · 3 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-08-01 22:16:44

●NSdns2.p01.nsone.net2026-05-31 → 2026-08-01 · 3 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-08-01 22:16:44

●NSdns3.p01.nsone.net2026-05-31 → 2026-08-01 · 3 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-08-01 22:16:44

●NSdns4.p01.nsone.net2026-05-31 → 2026-08-01 · 3 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-08-01 22:16:44

○NSns1088.ui-dns.biz2017-11-10 → 2017-11-10 · 4 obs

○ 2016-11-18 23:41:08
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○NSns1088.ui-dns.com2017-11-10 → 2017-11-10 · 4 obs

○ 2016-11-18 23:41:08
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○NSns1088.ui-dns.de2017-11-10 → 2017-11-10 · 4 obs

○ 2016-11-18 23:41:08
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○NSns1088.ui-dns.org2017-11-10 → 2017-11-10 · 4 obs

○ 2016-11-18 23:41:08
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○NSns51.1and1.com2015-08-19 → 2016-11-18 · 4 obs

● 2015-08-19 03:13:14
● 2016-11-18 23:41:08
○ 2017-11-10 13:16:34
○ 2026-08-01 22:16:44

○NSns52.1and1.com2015-08-19 → 2016-11-18 · 4 obs

● 2015-08-19 03:13:14
● 2016-11-18 23:41:08
○ 2017-11-10 13:16:34
○ 2026-08-01 22:16:44

○MXmx00.1and1.com2015-08-19 → 2017-11-10 · 4 obs

● 2015-08-19 03:13:14
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○MXmx01.1and1.com2015-08-19 → 2017-11-10 · 4 obs

● 2015-08-19 03:13:14
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

○A13.52.188.952026-05-31 → 2026-06-13 · 5 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-06-13 09:33:30
○ 2026-06-13 16:54:14
○ 2026-08-01 22:16:44

●A18.208.88.1572026-06-13 → 2026-08-01 · 3 obs

○ 2026-06-13 09:33:30
● 2026-06-13 16:54:14
● 2026-08-01 22:16:44

○A192.195.77.482016-11-18 → 2016-11-18 · 4 obs

○ 2016-03-28 14:35:12
● 2016-11-18 23:41:08
○ 2017-11-10 13:16:34
○ 2026-08-01 22:16:44

○A50.21.186.1272015-08-19 → 2016-03-28 · 4 obs

● 2015-08-19 03:13:14
● 2016-03-28 14:35:12
○ 2016-11-18 23:41:08
○ 2026-08-01 22:16:44

○A52.52.192.1912026-05-31 → 2026-06-13 · 5 obs

○ 2017-11-10 13:16:34
● 2026-05-31 16:50:16
● 2026-06-13 09:33:30
○ 2026-06-13 16:54:14
○ 2026-08-01 22:16:44

○A74.208.215.692017-11-10 → 2017-11-10 · 4 obs

○ 2016-11-18 23:41:08
● 2017-11-10 13:16:34
○ 2026-05-31 16:50:16
○ 2026-08-01 22:16:44

●A98.84.224.1112026-06-13 → 2026-08-01 · 3 obs

○ 2026-06-13 09:33:30
● 2026-06-13 16:54:14
● 2026-08-01 22:16:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
tutorbase.org	dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net, dns2.p01.nsone.net	-

✅ Authoritative Response

Server:198.51.44.65

NS records: dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net, dns2.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorbase.org (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`98.84.224.111, 18.208.88.157`
NS	4	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

tutorbase.org points to the IP addresses 18.208.88.157 and 98.84.224.111

mauricefeldman.com, nocruft.com, ohyeahhowfar.com plus two other host names have IP numbers in common with tutorbase.org.

Name Servers

Four name servers handle the delegation for tutorbase.org: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

At least some of tutorbase.org's name servers are shared with other domains, for example fuzzybuttpetphotos.com, aerobic-traeff.ch, pro-acuvue.eu and two more.

These name servers tend to co-occur with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: dns1.p01.nsone.net directs to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1; dns2.p01.nsone.net directs to 198.51.45.1 and 2a00:edc0:6259:7:1::2; dns3.p01.nsone.net directs to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3; dns4.p01.nsone.net directs to 198.51.45.65 and 2a00:edc0:6259:7:1::4.