office - robtex.com
office
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns1.nic.office ⭐ | ||||||
| NS | dns2.nic.office | ||||||
| NS | dns3.nic.office | ||||||
| NS | dns4.nic.office | ||||||
| NS | dnsa.nic.office | ||||||
| NS | dnsb.nic.office | ||||||
| NS | dnsc.nic.office | ||||||
| NS | dnsd.nic.office | ||||||
| SOA | dns1.nic.officehostmaster@nominet.org.uk serial=1781802804 | ||||||
(root)
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.root-servers.net ⭐ | ||||||
| NS | b.root-servers.net | ||||||
| NS | c.root-servers.net | ||||||
| NS | d.root-servers.net | ||||||
| NS | e.root-servers.net | ||||||
| NS | f.root-servers.net | ||||||
| NS | g.root-servers.net | ||||||
| NS | h.root-servers.net | ||||||
| NS | i.root-servers.net | ||||||
| NS | j.root-servers.net | ||||||
| NS | k.root-servers.net | ||||||
| NS | l.root-servers.net | ||||||
| NS | m.root-servers.net | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-08 #0 | ||||||
PTR for
MX for
Previously MX for
Subdomains
microsoft365.office |
www.office |
nic.office |
m365.office |
forms-int.office |
DNS History
16 records (8 active, 8 former)
●NSdns1.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdns2.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdns3.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdns4.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdnsa.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdnsb.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdnsc.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
●NSdnsd.nic.office2026-02-14 → 2026-07-08 · 3 obs
○ 2021-08-28 04:29:42
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
● 2026-02-14 21:07:06
● 2026-07-08 17:53:46
○NSns1.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○NSns2.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○NSns3.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○NSns4.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○NSns5.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○NSns6.dns.nic.office2015-08-03 → 2021-08-28 · 4 obs
● 2015-08-03 16:41:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
● 2021-08-28 04:29:42
○ 2026-02-14 21:07:06
○ 2026-07-08 17:53:46
○MXyour-dns-needs-immediate-attention.office2015-08-03 → 2015-12-09 · 4 obs
● 2015-08-03 16:41:46
● 2015-12-09 08:10:02
○ 2015-12-15 22:18:46
○ 2026-07-08 17:53:46
● 2015-12-09 08:10:02
○ 2015-12-15 22:18:46
○ 2026-07-08 17:53:46
○A127.0.53.532015-08-03 → 2015-12-09 · 4 obs
● 2015-08-03 16:41:46
● 2015-12-09 08:10:02
○ 2015-12-15 22:18:46
○ 2026-07-08 17:53:46
● 2015-12-09 08:10:02
○ 2015-12-15 22:18:46
○ 2026-07-08 17:53:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| office | dns1.nic.office, dns2.nic.office, dns3.nic.office, dns4.nic.office... | 16 records |
✅ Authoritative Response
Server:213.248.219.136
NS records: dns1.nic.office, dns2.nic.office, dns3.nic.office, dns4.nic.office, dnsa.nic.office, dnsb.nic.office, dnsc.nic.office, dnsd.nic.office
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 894ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | dns1.nic.office, dns2.nic.office... |
| SOA | 1 | dns1.nic.office hostmaster.nominet.org.u |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (dns1.nic.office, dns1.nic.office, dns2.nic.office...)
Analysis
Hierarchy
office is the parent of microsoft365.office, www.office, nic.office, m365.office and forms-int.office.
Mail Server Role
office serves as a mail server for icplus.com.
The mail servers mailstore1.secureserver.net and smtp.secureserver.net are often used together with office.
Name Servers
office delegates authority to 8 name servers: dns1.nic.office, dns2.nic.office, dns3.nic.office plus 5 other.