openedbook.org - dns.ninja
openedbook.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782638076 | ||||||
Same first word
openedbook.org |
openedbook.ru |
DNS History
14 records (9 active, 5 former)
●NSns-cloud-d1.googledomains.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●NSns-cloud-d2.googledomains.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●NSns-cloud-d3.googledomains.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●NSns-cloud-d4.googledomains.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
○NSns27.domaincontrol.com2015-08-23 → 2017-03-31 · 3 obs
● 2017-03-31 12:00:02
○ 2026-06-28 09:38:00
○NSns28.domaincontrol.com2015-08-23 → 2017-03-31 · 3 obs
● 2017-03-31 12:00:02
○ 2026-06-28 09:38:00
●MXalt1.aspmx.l.google.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●MXalt2.aspmx.l.google.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●MXalt3.aspmx.l.google.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●MXalt4.aspmx.l.google.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
●MXaspmx.l.google.com2026-06-28 → 2026-06-28 · 2 obs
● 2026-06-28 09:38:00
○MXmailstore1.secureserver.net2015-08-23 → 2017-03-31 · 3 obs
● 2017-03-31 12:00:02
○ 2026-06-28 09:38:00
○MXsmtp.secureserver.net2015-08-23 → 2017-03-31 · 3 obs
● 2017-03-31 12:00:02
○ 2026-06-28 09:38:00
○A184.168.221.442015-08-23 → 2017-03-31 · 3 obs
● 2017-03-31 12:00:02
○ 2026-06-28 09:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| openedbook.org | ns-cloud-d1.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.32.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 740ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-d2.googledomains.com, ns-cloud-d4.googledomains.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
Analysis
Name Servers
The authoritative name servers for openedbook.org are ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
openedbook.org partially shares its NS delegation with several other domains, including alexpunch.com, zakreuski.info, byvamsi.com and two others.
ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com each carry two IP addresses. ns-cloud-d1.googledomains.com has 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com has 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com has 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com has 216.239.38.109 and 2001:4860:4802:38::6d.
Mail Servers
Mail for openedbook.org is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
openedbook.org has at least partial mail server overlap with other domains such as ns500698.ns500698.ns500759.ns500758.ns500735.ns500735.ns500736.ns500708.ns500698.ns500698.ns500619.ns500619.ns500652.ns500576.trackreceptor.com, ns500671.ns500742.ns500731.ns500731.ns500671.ns500742.ns500742.ns500678.ns500705.ns500678.ns500649.tenderladiesbz.com, ns500698.ns500758.ns500698.ns500698.ns500735.ns500698.ns500735.ns500736.ns500735.ns500708.ns500708.ns500708.ns500698.trackreceptor.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com resolves to two addresses: 142.251.167.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.