office - robtex.com
office
(root)
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.root-servers.net β β οΈ Not in parent delegation | ||||||
| NS | b.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | c.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | d.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | e.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | f.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | g.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | h.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | i.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | j.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | k.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | l.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | m.root-servers.net β οΈ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-06-04 #1 | ||||||
PTR for
MX for
Previously MX for
Subdomains
microsoft365.office |
www.office |
nic.office |
m365.office |
forms-int.office |
Same first word
Similar names
cioffe.com |
coiffe.fr |
offiec.cn |
coffie.hatenablog.com |
ieffco.com |
effico.mobi |
effico.fr |
coffei.com |
iceoff.ru |
effico.es |
DNS History
16 records (8 active, 8 former)
βNSdns1.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdns2.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdns3.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdns4.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdnsa.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdnsb.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdnsc.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSdnsd.nic.office2026-02-14 β 2026-06-04 Β· 3 obs
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns1.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns2.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns3.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns4.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns5.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βNSns6.dns.nic.office2015-08-03 β 2021-08-28 Β· 4 obs
β 2021-08-28 04:29:42
β 2026-02-14 21:07:06
β 2026-06-04 22:16:40
βMXyour-dns-needs-immediate-attention.office2015-08-03 β 2015-12-09 Β· 4 obs
β 2015-12-09 08:10:02
β 2015-12-15 22:18:46
β 2026-06-04 22:16:40
βA127.0.53.532015-08-03 β 2015-12-09 Β· 4 obs
β 2015-12-09 08:10:02
β 2015-12-15 22:18:46
β 2026-06-04 22:16:40
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| office | dns1.nic.office, dns2.nic.office, dns3.nic.office, dns4.nic.office... | 16 records |
β Authoritative Response
Server:156.154.101.3
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
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 404ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | dnsd.nic.office, dnsb.nic.office... |
| SOA | 1 | dns1.nic.office hostmaster.nominet.org.u |
π 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 is used 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 is delegated to 8 name servers: dns1.nic.office, dns2.nic.office, dns3.nic.office and five others.
At least some of office's name servers are also used by other domains, among them nic.office.
These name servers are frequently paired with the name servers dns4.nic.office, dnsa.nic.office, dnsb.nic.office and two others.
Host names with two IP numbers:
dns1.nic.office directs traffic to 213.248.219.136 and 2a01:618:403::136.
dns2.nic.office directs traffic to 103.49.83.136 and 2401:fd80:403::136.
dns3.nic.office directs traffic to 213.248.223.136 and 2a01:618:407::136.
dns4.nic.office directs traffic to 43.230.51.136 and 2401:fd80:407::136.
dnsa.nic.office directs traffic to 156.154.100.3 and 2001:502:ad09::3.
dnsb.nic.office directs traffic to 156.154.101.3 and 2001:502:2eda::3.
dnsc.nic.office directs traffic to 156.154.102.3 and 2610:a1:1009::3.
dnsd.nic.office directs traffic to 156.154.103.3 and 2610:a1:1010::3.