osullivanmd.com - dns.ninja
osullivanmd.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=1786271514 | ||||||
Same first word
osullivanmd.com |
Similar names
DNS History
14 records (9 active, 5 former)
●NSns-cloud-a1.googledomains.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●NSns-cloud-a2.googledomains.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●NSns-cloud-a3.googledomains.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●NSns-cloud-a4.googledomains.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
○NSns43.domaincontrol.com2017-05-12 → 2017-05-12 · 3 obs
○ 2026-02-26 06:45:26
○ 2026-08-09 11:01:26
○NSns44.domaincontrol.com2017-05-12 → 2017-05-12 · 3 obs
○ 2026-02-26 06:45:26
○ 2026-08-09 11:01:26
●MXalt1.aspmx.l.google.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●MXalt2.aspmx.l.google.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●MXalt3.aspmx.l.google.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●MXalt4.aspmx.l.google.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
●MXaspmx.l.google.com2026-02-26 → 2026-08-09 · 3 obs
● 2026-02-26 06:45:26
● 2026-08-09 11:01:26
○MXmailstore1.secureserver.net2017-05-12 → 2017-05-12 · 3 obs
○ 2026-02-26 06:45:26
○ 2026-08-09 11:01:26
○MXsmtp.secureserver.net2017-05-12 → 2017-05-12 · 3 obs
○ 2026-02-26 06:45:26
○ 2026-08-09 11:01:26
○A184.168.221.322017-05-12 → 2017-05-12 · 3 obs
○ 2026-02-26 06:45:26
○ 2026-08-09 11:01:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| osullivanmd.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
Name Servers
The authoritative name servers for osullivanmd.com are ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
At least some of osullivanmd.com's name servers are shared with other domains, for example homeusawarehouse.com, barthelots.com, hjks23kj.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-cloud-a1.googledomains.com directs to 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com directs to 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com directs to 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com directs to 216.239.38.106 and 2001:4860:4802:38::6a.
Mail Servers
Five mail servers handle osullivanmd.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
osullivanmd.com has at least partial mail server overlap with other domains such as maddogdrivethru.net, uzopay.com, unitedtrading.com.eg 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 has two IP addresses: 142.251.111.27 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.