learnerboard.com - dns.ninja

`learnerboard.com`

DNSSEC	⚠️ Not signed
NS	`dns1.p03.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:3:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p03.nsone.net`
		A	198.51.44.3^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p03.nsone.net`
NS	`dns2.p03.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:3::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p03.nsone.net`
		A	198.51.45.3^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p03.nsone.net`
NS	`dns3.p03.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:3:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p03.nsone.net`
		A	198.51.44.67^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p03.nsone.net`
NS	`dns4.p03.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:3::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p03.nsone.net`
		A	198.51.45.67^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p03.nsone.net`
NS	`ns1.vtitan.com` ⚠️ Not in zone NS records
		A	165.173.187.13^{🇺🇸 ZohoAS165.173.186.0/23 Zoho Corporation}
			PTR	`ns1.vtitan.com`
NS	`ns2.vtitan.com` ⚠️ Not in zone NS records
		A	154.18.178.94^{🇺🇸 COGENT154.18.178.0/24}
NS	`pdns90.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::7e^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns90.ultradns.biz`
		A	156.154.66.90^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns90.ultradns.biz`
NS	`pdns90.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::7e^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns90.ultradns.com`
		A	156.154.64.90^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns90.ultradns.com`
NS	`pdns90.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::7e^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns90.ultradns.net`
		A	156.154.65.90^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns90.ultradns.net`
NS	`pdns90.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::7e^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns90.ultradns.org`
		A	156.154.67.90^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns90.ultradns.org`

`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=1785264482

Same first word

learnerboard.com

Similar names

broadlearner.com

DNS History

17 records (10 active, 7 former)

○NSdns1.p01.nsone.net2026-05-02 → 2026-06-05 · 5 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-06-05 09:23:44
○ 2026-07-28 19:05:16
○ 2026-07-28 19:05:22

●NSdns1.p03.nsone.net2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

○NSdns2.p01.nsone.net2026-05-02 → 2026-05-09 · 5 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-05-09 08:44:08
○ 2026-05-09 12:47:54
○ 2026-07-28 19:05:22

●NSdns2.p03.nsone.net2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

○NSdns3.p01.nsone.net2026-05-02 → 2026-05-09 · 5 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-05-09 08:44:08
○ 2026-05-09 12:47:54
○ 2026-07-28 19:05:22

●NSdns3.p03.nsone.net2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

○NSdns4.p01.nsone.net2026-05-02 → 2026-05-09 · 5 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-05-09 08:44:08
○ 2026-05-09 12:47:54
○ 2026-07-28 19:05:22

●NSdns4.p03.nsone.net2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

○NSns.buydomains.com2016-03-18 → 2017-03-30 · 4 obs

● 2016-03-18 16:47:28
● 2017-03-30 06:15:36
○ 2026-05-02 01:23:40
○ 2026-07-28 19:05:22

●NSns1.vtitan.com2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

●NSns2.vtitan.com2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

●NSpdns90.ultradns.biz2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

●NSpdns90.ultradns.com2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

●NSpdns90.ultradns.net2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

●NSpdns90.ultradns.org2026-05-02 → 2026-07-28 · 3 obs

○ 2017-03-30 06:15:36
● 2026-05-02 01:23:40
● 2026-07-28 19:05:22

○A141.8.225.1242016-03-18 → 2016-07-16 · 4 obs

● 2016-03-18 16:47:28
● 2016-07-16 11:13:04
○ 2017-03-30 06:15:36
○ 2026-07-28 19:05:22

○A207.148.248.1432017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-16 11:13:04
● 2017-03-30 06:15:36
○ 2026-05-02 01:23:40
○ 2026-07-28 19:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learnerboard.com	ns1.vtitan.com, ns2.vtitan.com, pdns90.ultradns.net, pdns90.ultradns.com...	4 records

✅ Authoritative Response

Server:156.154.67.90

NS records: ns1.vtitan.com, ns2.vtitan.com, pdns90.ultradns.net, pdns90.ultradns.com, dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, pdns90.ultradns.biz, pdns90.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learnerboard.com (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns1.p01.nsone.net, dns2.p01.nsone.net...`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.vtitan.com, ns2.vtitan.com, pdns90.ultradns.com...)

Analysis

Name Servers

learnerboard.com is delegated to 10 name servers: pdns90.ultradns.biz, pdns90.ultradns.com, ns1.vtitan.com and 7 other.

There is at least partial name server overlap between learnerboard.com and other domains — meetanddate.com, hillmanlabs.in, claudemarket.lol and two more among them.

These name servers regularly appear alongside dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net and 7 other name servers in NS record sets.

Hosts with two IP numbers each:

pdns90.ultradns.biz points to 156.154.66.90 and 2610:a1:1015::7e.

pdns90.ultradns.com points to 156.154.64.90 and 2001:502:f3ff::7e.

pdns90.ultradns.net points to 156.154.65.90 and 2610:a1:1014::7e.

pdns90.ultradns.org points to 156.154.67.90 and 2001:502:4612::7e.

dns1.p03.nsone.net points to 198.51.44.3 and 2620:4d:4000:6259:7:3:0:1.

dns2.p03.nsone.net points to 198.51.45.3 and 2a00:edc0:6259:7:3::2.

dns3.p03.nsone.net points to 198.51.44.67 and 2620:4d:4000:6259:7:3:0:3.

dns4.p03.nsone.net points to 198.51.45.67 and 2a00:edc0:6259:7:3::4.

Hosts that resolve to one IP address:

ns1.vtitan.com points to 165.173.187.13.

ns2.vtitan.com points to 154.18.178.94.