DNS Coffee ☕
Zone

sfr active

First Seen Dec 01, 2015 · First Import Dec 03, 2015 · Last Import Sep 21, 2026 · Type generic · Operator Societe Francaise du Radiotelephone - SFR · DNSSEC Signed since Sep 22, 2019

Also indexed as: Domain Nameserver

15
Domains
3,942
Zone Imports
4
Current Nameservers
8
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 4
Name First Seen Domains
c.nic.sfr Nov 27, 2017 2
a.nic.sfr Nov 27, 2017 2
d.nic.sfr Nov 27, 2017 2
b.nic.sfr Nov 27, 2017 2
Past Nameservers 8
Name First Seen Last Seen Domains
ns1b.ksregistry.net Nov 01, 2017 Nov 29, 2017 0
ns1a.ksregistry.net Nov 01, 2017 Nov 29, 2017 0
ns2a.ksregistry.com Nov 01, 2017 Nov 29, 2017 0
ns2b.ksregistry.com Nov 01, 2017 Nov 29, 2017 0
x.ns.nic.sfr Dec 01, 2015 Nov 26, 2017 0
y.ns.nic.sfr Dec 01, 2015 Nov 26, 2017 0
a.ns.nic.sfr Dec 01, 2015 Oct 31, 2017 0
c.ns.nic.sfr Dec 01, 2015 Oct 31, 2017 0
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 15 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 2,459 serials
Primary NSns0.centralnic.net
Mailboxhostmaster.centralnic.net.
Serial173445
Refresh15 minutes
Retry30 minutes
Expire70 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
173378 Sep 20, 2026 Sep 20, 2026
173311 Sep 19, 2026 Sep 19, 2026
173245 Sep 18, 2026 Sep 18, 2026
173178 Sep 17, 2026 Sep 17, 2026
173128 Sep 16, 2026 Sep 16, 2026
173048 Sep 15, 2026 Sep 15, 2026
172982 Sep 14, 2026 Sep 14, 2026
172916 Sep 13, 2026 Sep 13, 2026
172850 Sep 12, 2026 Sep 12, 2026
172784 Sep 11, 2026 Sep 11, 2026
DNSSEC signed

Signed since Sep 22, 2019.

Signed domains: 1 · DS records: 2 (as of Sep 21, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK ECDSA P-256/SHA-256
showOyaS2wHPC/oeZU4m4rRAH8asc9X1cJ9HFBVsiWWhEVFzn+MZerfgj8WHQEy7hhezT6nr3EUDbdiiIBbaOvk/ew==
 Jan 18, 2024
ZSK ECDSA P-256/SHA-256
showCfU/scAyJdgKR4qlOP95nkNPLNB1FwiUvqXqGBGf2IPalHXN9g6PtCYp0Rh+lI5te2vv3obCg9UjDhitEt+KzQ==
 Jan 18, 2024
SignsKey TagSignerExpires
SOA 9641 sfr Oct 21, 2026
DNSKEY 58083 sfr Oct 04, 2026
60 retired DNSKEYs no longer published.