DNS Coffee ☕
Zone

ntt active

First Seen Feb 04, 2015 · First Import Feb 26, 2015 · Last Import Nov 07, 2026 · Type generic · Operator NIPPON TELEGRAPH AND TELEPHONE CORPORATION · DNSSEC Signed since before Sep 05, 2019

Also indexed as: Domain Nameserver

14
Domains
4,269
Zone Imports
4
Current Nameservers
0
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 4
Name First Seen Domains
tld5.nic.ntt Dec 30, 2015 1
tld1.nic.ntt Feb 04, 2015 1
tld2.nic.ntt Feb 04, 2015 1
tld3.nic.ntt Feb 04, 2015 1
Past Nameservers 0
Name First Seen Last Seen Domains
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 14 domains in this zone, up to 50 — full lists via the API.
Sample Past Domains 3
Domain Last Seen
volunteer.ntt Sep 17, 2026
door.ntt Apr 01, 2026
action.ntt Apr 01, 2026
The most recently removed domains that were in this zone and no longer are, up to 50 — full lists via the API.
SOA 2,491 serials
Primary NStld1.nic.ntt
Mailboxroot.nic.ntt.
Serial1794013201
Refresh1 hour
Retry15 minutes
Expire21 days
Minimum TTL15 minutes
Show 10 recent serial changes
SerialFirst SeenLast Seen
1793926801 Nov 06, 2026 Nov 06, 2026
1793840401 Nov 05, 2026 Nov 05, 2026
1793754001 Nov 04, 2026 Nov 04, 2026
1793667601 Nov 03, 2026 Nov 03, 2026
1793581201 Nov 02, 2026 Nov 02, 2026
1793494801 Nov 01, 2026 Nov 01, 2026
1793408400 Oct 31, 2026 Oct 31, 2026
1793322001 Oct 30, 2026 Oct 30, 2026
1793235601 Oct 29, 2026 Oct 29, 2026
1793149201 Oct 28, 2026 Oct 28, 2026
DNSSEC signed

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

Signed domains: 4 · DS records: 4 (as of Nov 07, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAcqm9E79EEtfgEKQEyZpC7qdmYgD7pgXKW5+R8llpzAFealS9GjxGMBoTtQca7Rf93ZJGuCSqJTskJWbR14oh9p/6AvnIRnlau67Q86SG0nZHwlbPWR9oisO6dZbHevIeKJMRhpVGkmRu7PxPA8ALqF/Enbv7l+i8nZENUw/LEWHWtmUQDjUgiY0n1Gpjj5qxJLJ3LcwsYSgAfdlVAaY6EWD06xc2r6wEtJhzlXqNDp+/cyJpjAAet/LZ/9l3REcJGgkoTGooOQ5f/nYybefhNWa4dbFWqWf875tingFlQez+Qk89igDQGCE9IIAD/a/wWkYj7vYQ0rV/xUIg5XtK5c=
 Nov 26, 2025
ZSK RSA/SHA-256
showAwEAAbO35UDtrSrIBBUybiVoVqIdG4RfN87mF00xJiq+sCN9URp7BxCde5uj9afD+4o3I94mMeylB4bQNIlLYtCEP/6wuCSfTtQAJwKU3D01D7cv3sgjGxtlrR8TZQLXbMbu0JHzeH00xcKBjTTPIHmMvg1+N9W7nuSEvHpTkoyd9r/X
 Sep 27, 2026
SignsKey TagSignerExpires
DNSKEY 25342 ntt Dec 26, 2026
SOA 50838 ntt Dec 01, 2026
86 retired DNSKEYs no longer published.