bookwhen.com - dns.ninja
bookwhen.com
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.netnstld@verisign-grs.com serial=1781396913 | ||||||
rank #10982 in the tld
WOT: SAFE (71/100)
📈 Tranco rank: #52,335
Subdomains
Same first word
bookwhen.s3.amazonaws.com |
bookwhen.com |
Similar names
DNS History
17 records (10 active, 7 former)
●NSns-cloud-b1.googledomains.com2026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●NSns-cloud-b2.googledomains.com2026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●NSns-cloud-b3.googledomains.com2026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●NSns-cloud-b4.googledomains.com2026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
○NSns1.linode.com2015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
○NSns2.linode.com2015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
○NSns3.linode.com2015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
○NSns4.linode.com2015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
○NSns5.linode.com2015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
●MXalt1.aspmx.l.google.com2015-09-03 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●MXalt2.aspmx.l.google.com2015-09-03 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●MXaspmx.l.google.com2015-09-03 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●MXaspmx2.googlemail.com2015-09-03 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
●MXaspmx3.googlemail.com2015-09-03 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
○A212.71.249.472015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
○A2a01:7e00::f03c:91ff:fe73:75b12015-09-03 → 2017-03-13 · 3 obs
● 2017-03-13 09:55:58
○ 2026-06-14 01:51:02
●A34.49.64.942026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 01:51:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| bookwhen.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 423ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.49.64.94 |
| NS | 4 | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 5 | aspmx3.googlemail.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 10 | v=spf1 a mx include:spf.mtasv.net includ, atlassian-domain-verification=0/Fwz9Ksv8... |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Hierarchy
The domain bookwhen.com is a parent of cdn.bookwhen.com, v1.bookwhen.com, my.bookwhen.com and mail.bookwhen.com.
IP Addresses
bookwhen.com resolves to one IP address: 34.49.64.94.
mail.bookwhen.com, v1.bookwhen.com, my.bookwhen.com and 94.64.49.34.bc.googleusercontent.com are examples of host names that share IP numbers with bookwhen.com.
Name Servers
bookwhen.com is delegated to four name servers, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
At least some of bookwhen.com's name servers are shared with other domains, for example eastheaven.com, crownfacilitiesmanagement.com, erastudios.co.uk and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-cloud-b1.googledomains.com directs to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com directs to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com directs to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com directs to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
bookwhen.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
bookwhen.com has at least partial mail server overlap with other domains such as redo.gr, ns500734.ns500693.ns500699.ns500699.ns500734.ns500734.ns500699.ns500588.ns500588.ns500612.ns500683.ns500612.ns500683.ns500632.ns500632.ns500612.dtrkdll.com, ns500698.ns500758.ns500759.ns500698.ns500758.ns500698.ns500698.ns500736.ns500736.ns500708.ns500708.ns500708.ns500576.ns500698.ns500708.ns500619.ns500652.trackreceptor.com and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to two addresses: 192.178.155.27 and 2607:f8b0:4004:c08::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1b IP addresses.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.27 IP addresses.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.