`calvertboards.com`

DNSSEC	⚠️ Not signed
NS	`edns1.ultradns.com` ⭐
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`edns1.ultradns.biz`
		A	2610:a1:1015::201^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
		A	204.74.67.1^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
NS	`edns1.ultradns.net`
		A	2610:a1:1014::201^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
		A	204.74.110.1^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
NS	`edns1.ultradns.org`
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
SOA	`edns1.ultradns.com`premiumdns@support.neustar 2019-07-24 #26

`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=1774556957

Same first word

calvertboards.com

DNS History

9 records (4 active, 5 former)

●NSedns1.ultradns.biz2026-02-21 → 2026-03-26 · 3 obs

○ 2017-04-09 10:54:34
● 2026-02-21 12:27:06
● 2026-03-26 20:43:06

●NSedns1.ultradns.com2026-02-21 → 2026-03-26 · 3 obs

○ 2017-04-09 10:54:34
● 2026-02-21 12:27:06
● 2026-03-26 20:43:06

●NSedns1.ultradns.net2026-02-21 → 2026-03-26 · 3 obs

○ 2017-04-09 10:54:34
● 2026-02-21 12:27:06
● 2026-03-26 20:43:06

●NSedns1.ultradns.org2026-02-21 → 2026-03-26 · 3 obs

○ 2017-04-09 10:54:34
● 2026-02-21 12:27:06
● 2026-03-26 20:43:06

○NSpdns01.domaincontrol.com2015-05-14 → 2017-04-09 · 4 obs

● 2015-05-14 22:56:14
● 2017-04-09 10:54:34
○ 2026-02-21 12:27:06
○ 2026-03-26 20:43:06

○NSpdns02.domaincontrol.com2015-05-14 → 2017-04-09 · 4 obs

● 2015-05-14 22:56:14
● 2017-04-09 10:54:34
○ 2026-02-21 12:27:06
○ 2026-03-26 20:43:06

○MXmail.calvert.com2015-05-14 → 2017-04-09 · 4 obs

● 2015-05-14 22:56:14
● 2017-04-09 10:54:34
○ 2026-02-21 12:27:06
○ 2026-03-26 20:43:06

○A205.173.25.1702017-04-09 → 2017-04-09 · 4 obs

○ 2016-08-12 12:10:12
● 2017-04-09 10:54:34
○ 2026-02-21 12:27:06
○ 2026-03-26 20:43:06

○A208.208.194.232015-05-14 → 2016-08-12 · 4 obs

● 2015-05-14 22:56:14
● 2016-08-12 12:10:12
○ 2017-04-09 10:54:34
○ 2026-03-26 20:43:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calvertboards.com	edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.biz, edns1.ultradns.org	2 records

✅ Authoritative Response

Server:204.74.111.1

NS records: edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.biz, edns1.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calvertboards.com (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`edns1.ultradns.biz, edns1.ultradns.com...`
SOA	1	`edns1.ultradns.com premiumdns.support.ne`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns1.ultradns.com, edns1.ultradns.com)

Analysis

Name Servers

calvertboards.com's delegation is handled by four name servers: edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net and edns1.ultradns.org.

calvertboards.com partially shares name servers with other domains; examples include ugmiguide.net, glitch.me, rtpsinc.com, humanamedicalclinic.com and oaklandtrees.net.

These name servers are commonly used alongside dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, edns2.ultradns.biz, edns2.ultradns.com, edns2.ultradns.net, edns2.ultradns.org, ns0.isp.sky.com and ns1.isp.sky.com.

Host names with two IPs:

edns1.ultradns.biz points to 2610:a1:1015::201 and 204.74.67.1

edns1.ultradns.com points to 2001:502:f3ff::201 and 204.74.66.1

edns1.ultradns.net points to 2610:a1:1014::201 and 204.74.110.1

edns1.ultradns.org points to 2001:502:4612::201 and 204.74.111.1

calvertboards.com - robtex.com