a4office.com - robtex.com
a4office.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=1774473297 | ||||||
Same first word
DNS History
6 records (5 active, 1 former)
●NSns0.phase8.net2015-06-11 → 2026-03-25 · 2 obs
● 2026-03-25 21:36:02
●NSns1.phase8.net2015-06-11 → 2026-03-25 · 2 obs
● 2026-03-25 21:36:02
●NSns2.phase8.net2015-06-11 → 2026-03-25 · 2 obs
● 2026-03-25 21:36:02
●MXa4office-com.mail.protection.outlook.com2026-02-21 → 2026-03-25 · 3 obs
● 2026-02-21 04:14:18
● 2026-03-25 21:36:02
○MXmx10.a4office.com2015-06-11 → 2017-05-28 · 4 obs
● 2017-05-28 07:55:06
○ 2026-02-21 04:14:18
○ 2026-03-25 21:36:02
●A54.194.59.822015-06-11 → 2026-03-25 · 2 obs
● 2026-03-25 21:36:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net... | - |
| a4office.com | ns0.phase8.net, ns1.phase8.net, ns2.phase8.net | - |
✅ Authoritative Response
Server:91.186.2.48
NS records: ns0.phase8.net, ns1.phase8.net, ns2.phase8.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a4office.com (unsigned zone)
⏱️ Timing
Total: 726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.194.59.82 |
| NS | 3 | ns2.phase8.net, ns1.phase8.net... |
| MX | 1 | a4office-com.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns0.phase8.net support.phase8.net |
Analysis
IP Addresses
a4office.com points to a single IP: 54.194.59.82.
Other host names, for instance excel-ltd.com, abbeystationers.com, a-o-s.co.uk, www.stationery.im and unicornonline.net share IP numbers with a4office.com.
Name Servers
a4office.com is delegated to three name servers: ns0.phase8.net, ns1.phase8.net and ns2.phase8.net.
a4office.com at least partially shares its name servers with other domains, for instance howtocarefor.info, christmas-hamper.com, uvlegal.com, broadleys.com and register365.eu.
Host names with one IP number:
ns0.phase8.net points to: 81.88.63.114.
ns1.phase8.net points to: 85.233.160.68.
ns2.phase8.net points to: 91.186.2.48.
Mail Servers
a4office.com is served by a single mail server, a4office-com.mail.protection.outlook.com.
The host name a4office-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.