`williamcalvin.com`

DNSSEC	⚠️ Not signed
A	74.208.236.225^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
		PTR	`74-208-236-225.elastic-ssl.ui-r.com`
NS	`ns1019.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5313:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.org`
		A	217.160.83.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.org`
NS	`ns1019.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5113:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
		A	217.160.81.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
NS	`ns1019.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5213:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.com`
		A	217.160.82.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.com`
NS	`ns1019.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5013:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.de`
		A	217.160.80.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.de`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1019.ui-dns.org`hostmaster@1and1.com 2016-07-26 #14

`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=1778435896

rank #439877 globally
rank #189525 in the tld
WOT: UNKNOWN (80/100)

Same first word

williamcalvin.com

DNS History

13 records (7 active, 6 former)

●NSns1019.ui-dns.biz2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

●NSns1019.ui-dns.com2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

●NSns1019.ui-dns.de2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

●NSns1019.ui-dns.org2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

○NSns47.1and1.com2015-05-25 → 2017-07-03 · 3 obs

● 2015-05-25 02:33:54
● 2017-07-03 02:54:16
○ 2026-05-10 18:15:54

○NSns48.1and1.com2015-05-25 → 2017-07-03 · 3 obs

● 2015-05-25 02:33:54
● 2017-07-03 02:54:16
○ 2026-05-10 18:15:54

○MXmx00.1and1.com2015-05-25 → 2017-07-03 · 3 obs

● 2015-05-25 02:33:54
● 2017-07-03 02:54:16
○ 2026-05-10 18:15:54

●MXmx00.ionos.com2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

○MXmx01.1and1.com2015-05-25 → 2017-07-03 · 3 obs

● 2015-05-25 02:33:54
● 2017-07-03 02:54:16
○ 2026-05-10 18:15:54

●MXmx01.ionos.com2026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

○A216.250.121.602016-11-20 → 2017-07-03 · 4 obs

○ 2016-03-29 00:41:30
● 2016-11-20 03:32:42
● 2017-07-03 02:54:16
○ 2026-05-10 18:15:54

●A74.208.236.2252026-05-10 → 2026-05-10 · 2 obs

○ 2017-07-03 02:54:16
● 2026-05-10 18:15:54

○A74.208.58.312015-05-25 → 2016-03-29 · 4 obs

● 2015-05-25 02:33:54
● 2016-03-29 00:41:30
○ 2016-11-20 03:32:42
○ 2026-05-10 18:15:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
williamcalvin.com	ns1019.ui-dns.de, ns1019.ui-dns.biz, ns1019.ui-dns.org, ns1019.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.19

NS records: ns1019.ui-dns.de, ns1019.ui-dns.biz, ns1019.ui-dns.org, ns1019.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for williamcalvin.com (unsigned zone)

⏱️ Timing

Total: 590ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.225`
NS	4	`ns1019.ui-dns.com, ns1019.ui-dns.org...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1019.ui-dns.org hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1019.ui-dns.com, ns1019.ui-dns.com)

Analysis

IP Addresses

williamcalvin.com points to a single IP number: 74.208.236.225.

Other host names, for instance legalserviceslink.com, www.cflearning.org, odusigma.com, www.mexicat.mx and www.windgods.org share IP numbers with williamcalvin.com.

Name Servers

williamcalvin.com is delegated to four name servers: ns1019.ui-dns.biz, ns1019.ui-dns.com, ns1019.ui-dns.de and ns1019.ui-dns.org.

williamcalvin.com shares name servers with other domains at least partially, for instance tradingstore.com, peter-leins.de, dv-technik.com, freepostshopping.co.uk and supplemaxx.com.

These name servers are often used with ns1037.ui-dns.de, ns1053.ui-dns.org, ns1126.ui-dns.com, ns1109.ui-dns.de and ns1052.ui-dns.biz.

Host names with two IP numbers:

ns1019.ui-dns.biz resolves to 2001:8d8:fe:53:0:d9a0:5113:100 and 217.160.81.19.

ns1019.ui-dns.com resolves to 2001:8d8:fe:53:0:d9a0:5213:100 and 217.160.82.19.

ns1019.ui-dns.de resolves to 2001:8d8:fe:53:0:d9a0:5013:100 and 217.160.80.19.

ns1019.ui-dns.org resolves to 2001:8d8:fe:53:0:d9a0:5313:100 and 217.160.83.19.

Mail Servers

williamcalvin.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

williamcalvin.com shares the same mail server setup as other domains, including sbcplus.com, naylamumnehmd.com, brainexhibit.com, saharaofficesuites.info and artofage.com.

williamcalvin.com shares at least some mail servers with other domains, for instance sypram.com.

Host names with one IP number:

mx00.ionos.com points to: 74.208.5.3.

mx01.ionos.com points to: 74.208.5.21.

williamcalvin.com - robtex.com