`bookkingston.com`

DNSSEC	⚠️ Not signed
NS	`ns1054.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5336:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1054.ui-dns.org`
		A	217.160.83.54^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1054.ui-dns.org`
NS	`ns1055.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5137:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1055.ui-dns.biz`
		A	217.160.81.55^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1055.ui-dns.biz`
NS	`ns1120.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:120^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1120.ui-dns.de`
		A	217.160.80.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.de`
NS	`ns1121.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5279:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
		A	217.160.82.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
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	`ns1054.ui-dns.org`hostmaster@1und1.com 2017-06-01 #6

`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=1774473297

Same first word

bookkingston.com

DNS History

14 records (6 active, 8 former)

○NSdns.rebel.ca2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-17 22:26:16
● 2019-03-31 15:37:10
○ 2026-02-18 14:12:50
○ 2026-03-25 21:30:50

○NSdns2.rebel.ca2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-17 22:26:16
● 2019-03-31 15:37:10
○ 2026-02-18 14:12:50
○ 2026-03-25 21:30:50

○NSns.bookkingston.com2015-08-09 → 2017-02-17 · 7 obs

● 2015-08-09 02:44:48
● 2015-11-27 16:20:54
○ 2016-03-16 01:36:54
● 2016-07-02 12:34:02
● 2017-02-17 22:26:16
○ 2019-03-31 15:37:10
○ 2026-03-25 21:30:50

○NSns1.bookkingston.com2016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-27 16:20:54
● 2016-03-16 01:36:54
○ 2016-07-02 12:34:02
○ 2026-03-25 21:30:50

●NSns1054.ui-dns.org2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

●NSns1055.ui-dns.biz2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

●NSns1120.ui-dns.de2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

●NSns1121.ui-dns.com2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

○MXloopback.rebel.ca2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-17 22:26:16
● 2019-03-31 15:37:10
○ 2026-02-18 14:12:50
○ 2026-03-25 21:30:50

○MXmail.bookkingston.com2015-08-09 → 2017-02-17 · 4 obs

● 2015-08-09 02:44:48
● 2017-02-17 22:26:16
○ 2019-03-31 15:37:10
○ 2026-03-25 21:30:50

●MXmx00.ionos.com2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

●MXmx01.ionos.com2026-02-18 → 2026-03-25 · 3 obs

○ 2019-03-31 15:37:10
● 2026-02-18 14:12:50
● 2026-03-25 21:30:50

○A54.236.162.932019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-17 22:26:16
● 2019-03-31 15:37:10
○ 2026-02-18 14:12:50
○ 2026-03-25 21:30:50

○A72.51.8.2312015-08-09 → 2017-02-17 · 4 obs

● 2015-08-09 02:44:48
● 2017-02-17 22:26:16
○ 2019-03-31 15:37:10
○ 2026-03-25 21:30:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
bookkingston.com	ns1054.ui-dns.org, ns1055.ui-dns.biz, ns1120.ui-dns.de, ns1121.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.54

NS records: ns1054.ui-dns.org, ns1055.ui-dns.biz, ns1120.ui-dns.de, ns1121.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookkingston.com (unsigned zone)

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1055.ui-dns.biz, ns1121.ui-dns.com...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1054.ui-dns.org hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1121.ui-dns.com, ns1121.ui-dns.com)

Analysis

Name Servers

bookkingston.com is delegated to four name servers: ns1055.ui-dns.biz, ns1121.ui-dns.com, ns1120.ui-dns.de and ns1054.ui-dns.org.

bookkingston.com at least partially shares its name servers with other domains, for instance mecaclinic.es, flplasticsuk.com, jgv-hubertus-greven.de, transitingamerica.com and hdgc.fr.

These name servers are commonly used with ns1055.ui-dns.de, ns1055.ui-dns.com, ns1055.ui-dns.org, ns1120.ui-dns.org, ns1054.ui-dns.com, ns1054.ui-dns.biz, ns1120.ui-dns.biz, ns1120.ui-dns.com, ns1054.ui-dns.de and ns1121.ui-dns.biz.

Host names with two IPs: ns1055.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5137:100 and 217.160.81.55; ns1121.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5279:100 and 217.160.82.121; ns1120.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:120 and 217.160.80.120; ns1054.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5336:100 and 217.160.83.54.

Mail Servers

Two mail servers mx00.ionos.com and mx01.ionos.com handle bookkingston.com.

bookkingston.com uses the same mail server setup as other domains such as caroun.net, visitoreviews.com, nealabrams.com, davebon.com and litepay.us.

Host names with a single IP:

mx00.ionos.com resolves to 74.208.5.3.

mx01.ionos.com resolves to 74.208.5.21.

bookkingston.com - robtex.com