DNS Coffee ☕
Zone

merckmsd active

First Seen Jul 11, 2017 · First Import Jul 15, 2017 · Last Import Nov 07, 2026 · Type generic · Operator MSD Registry Holdings, Inc. · DNSSEC Signed since before Sep 05, 2019

Also indexed as: Domain Nameserver

2
Domains
3,400
Zone Imports
6
Current Nameservers
4
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 6
Name First Seen Domains
y.nic.merckmsd Feb 09, 2024 2
c.nic.merckmsd Feb 09, 2024 2
a.nic.merckmsd Feb 09, 2024 2
x.nic.merckmsd Feb 09, 2024 2
z.nic.merckmsd Feb 09, 2024 2
b.nic.merckmsd Feb 09, 2024 2
Past Nameservers 4
Name First Seen Last Seen Domains
ac2.nstld.com Jul 11, 2017 Feb 08, 2024 15
ac4.nstld.com Jul 11, 2017 Feb 08, 2024 15
ac1.nstld.com Jul 11, 2017 Feb 08, 2024 15
ac3.nstld.com Jul 11, 2017 Feb 08, 2024 15
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 2 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 2,474 serials
Primary NSa.nic.merckmsd
Mailboxadmin.tldns.godaddy.
Serial1793993943
Refresh30 minutes
Retry5 minutes
Expire21 days
Minimum TTL30 minutes
Show 10 recent serial changes
SerialFirst SeenLast Seen
1793903944 Nov 06, 2026 Nov 06, 2026
1793813943 Nov 05, 2026 Nov 05, 2026
1793723944 Nov 04, 2026 Nov 04, 2026
1793633943 Nov 03, 2026 Nov 03, 2026
1793543944 Nov 02, 2026 Nov 02, 2026
1793453953 Nov 01, 2026 Nov 01, 2026
1793363954 Oct 31, 2026 Oct 31, 2026
1793273953 Oct 30, 2026 Oct 30, 2026
1793183954 Oct 29, 2026 Oct 29, 2026
1793093942 Oct 28, 2026 Oct 28, 2026
Records Browse all

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

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
showAwEAAayc4bHopT/kk4+6T8HN6RffFvcvicJnxXhPz4Zb7eCyPzUVBSB127PyfMfqVxijFJt+NRHEShsFRo4HVBRirl2CsMsRw1uUcko51XkARSKQWUJbDyI1erOXL+QhXNFGORnY3dm6j599FxuS0JFOfqkwBm3EyKuKavaTOhJFkkiOJbhMXb3XILFA9CUaGn2YYsqFki3iHT+7A20d5a/DuIjpdPin2WNtBo9xLEWr9Jyrh1gnE97b6gkX2BNCNxQrYQoTruqt90QGDhtnDT6nXEORhshq4tpgxtf8iTawxQZNBsDuyj+314Vg5gubyJKXgqXqTl5uT+6FKHNJ3ysnXFc=
 Jan 23, 2024
ZSK RSA/SHA-256
showAwEAAdpqa4IYs7SV7fpjdfYUwUjlCE2L6NVdl6JRC6AeWouo3+sVc2D8jNa0zHB51Apo3EtwZK1KQuWrlpOQdXfxKLqFP+bA2yHIOHf2E6k7bEAogaqtJw5TMmmYgVvvgRRZA9hblaVA4Dx71XkZySzEyQoeX6dWCNSo8tJToFWqnbbav2QQB3unIN8BD+r/gJsFB2pwRR/3UxV7vD4GRBZW7Ck=
 Jan 23, 2024
SignsKey TagSignerExpires
SOA 45276 merckmsd Nov 20, 2026
DNSKEY 5134 merckmsd Nov 17, 2026
20 retired DNSKEYs no longer published.