DNS Coffee ☕
Zone

office active

First Seen Jun 24, 2015 · First Import Jun 30, 2015 · Last Import Nov 07, 2026 · Type generic · Operator Microsoft Corporation · DNSSEC Signed since before Sep 05, 2019

Also indexed as: Domain Nameserver

6
Domains
4,146
Zone Imports
8
Current Nameservers
17
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 8
Name First Seen Domains
dns1.nic.office Feb 08, 2026 2
dnsa.nic.office Feb 08, 2026 2
dns4.nic.office Feb 08, 2026 2
dns3.nic.office Feb 08, 2026 2
dnsd.nic.office Feb 08, 2026 2
dnsb.nic.office Feb 08, 2026 2
dnsc.nic.office Feb 08, 2026 2
dns2.nic.office Feb 08, 2026 2
Past Nameservers 17
Name First Seen Last Seen Domains
dnsc.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dnsd.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dns3.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dnsa.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dns1.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dns4.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dnsb.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
dns2.nic.microsoft Sep 18, 2024 Feb 07, 2026 2
ns1.dns.nic.office Jun 24, 2015 Sep 17, 2024 0
ns2.dns.nic.office Jun 24, 2015 Sep 17, 2024 0
ns3.dns.nic.office Jun 24, 2015 Sep 17, 2024 0
c.nic.office Nov 06, 2021 Sep 17, 2024 0
b.nic.office Nov 06, 2021 Sep 17, 2024 0
a.nic.office Nov 06, 2021 Sep 17, 2024 0
ns4.dns.nic.office Jun 24, 2015 Nov 05, 2021 0
ns6.dns.nic.office Jun 24, 2015 Nov 05, 2021 0
ns5.dns.nic.office Jun 24, 2015 Nov 05, 2021 0
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 6 domains in this zone, up to 50 — full lists via the API.
Sample Past Domains 0
No domains have left this zone recently.
The most recently removed domains that were in this zone and no longer are, up to 50 — full lists via the API.
SOA 1,526 serials
Primary NSdns1.nic.office
Mailboxhostmaster.nominet.org.uk.
Serial1794013817
Refresh15 minutes
Retry5 minutes
Expire28 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1793927114 Nov 06, 2026 Nov 06, 2026
1793841016 Nov 05, 2026 Nov 05, 2026
1793754303 Nov 04, 2026 Nov 04, 2026
1793668206 Nov 03, 2026 Nov 03, 2026
1793582112 Nov 02, 2026 Nov 02, 2026
1793495410 Nov 01, 2026 Nov 01, 2026
1793409320 Oct 31, 2026 Oct 31, 2026
1793322914 Oct 30, 2026 Oct 30, 2026
1793236220 Oct 29, 2026 Oct 29, 2026
1793150113 Oct 28, 2026 Oct 28, 2026
Records Browse all

Catch-all zone-file records indexed under this zone, by type.

TYPE65534 2 TXT 1
DNSSEC signed

Signed since before Sep 05, 2019. (zone file as of Nov 07, 2026)

Signed domains: 1 · DS records: 1 (as of Nov 07, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAc7rslncZfIYD91nWFR8BqkWXUSOcGhsRUx97U6y6Tc6VRecC54bhSA7/VLZ3+dFPi6zFa3M9k/nP6nQmxy8cXKKockJ4pFEYgJHOk4EnBUzCwZMEbxbTgeBDgUV/yB8K53nw4wPp72Thk22+Il5l1/+CVKof/sHHq3jwCjEL3QMlALmkJ+vU9VpDGqJvgwYPCe1uNu4LjeXkcfS2GgCNLecgSmMlhXEB1lIBrkPxdFy/c4cpJFsBZHECRcybatZOqqJ5koKeukziQaqx7PeMUE4teI18Sp0B3erYu01nb8TLeEPyGjBT0fgpX0TKVHcITV7ABvpJ9EcR+A2jGVC+/M=
 Aug 26, 2024
ZSK RSA/SHA-256
showAwEAAeu9ei8W0u6ALEQlqUzDlRO1HPkX6ezpgLT+NtQ7oC1di/Zcbr0r/5InaZjkykEZS/DeiBqJzVE0QZOkz6MHqNhQBAYVtptV5Qgxvz1AFIbyh8a2DHteQqIsssclU9s6ohUYR2izlJAtfSy1tFFTEcMIjlwrfW82D+xJzzdUKcJEcZnZlGeqmCjQ1UoF3VgYaC/ZZ9Tx8+CEyRraHUH/GxqMuba5F0RA+xCBQcY3XWKQKa+gPFkG+2zCU7VFtBlgK6fuCp2ApcOTEtr/tgUmIxObPts5bkZGafUtaMFYJrUsrgAoV8jM9y2BX+B8pE9uLXp4xyvsS6kQ1NV2jWGi63s=
 Aug 26, 2024
SignsKey TagSignerExpires
SOA 5565 office Dec 12, 2026
DNSKEY 16229 office Dec 08, 2026
12 retired DNSKEYs no longer published.