certification.guide - dns.ninja

certification.guide

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2ed7πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::ac43:8edcπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.46.215Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.142.220πŸ‡ΊπŸ‡Έ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NScarter.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b50πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarter.ns.cloudflare.com
A2803:f800:50::6ca2:c150πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcarter.ns.cloudflare.com
A2a06:98c1:50::ac40:2150πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRcarter.ns.cloudflare.com
A108.162.193.80πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarter.ns.cloudflare.com
A172.64.33.80πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarter.ns.cloudflare.com
A173.245.59.80πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarter.ns.cloudflare.com
NSlila.ns.cloudflare.com
A2606:4700:50::adf5:3abaπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A2803:f800:50::6ca2:c0baπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlila.ns.cloudflare.com
A2a06:98c1:50::ac40:20baπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRlila.ns.cloudflare.com
A108.162.192.186πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A172.64.32.186πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A173.245.58.186πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
TXTgoogle-site-verification=epBIo_0wsyxtQOeQerv3r0yqsW9WNLha4eBI1MIsjx0
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.46.215, 172.67.142.220
IPv6 hints2606:4700:3032::6815:2ed7, 2606:4700:3037::ac43:8edc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com
SOAcarter.ns.cloudflare.comdns@cloudflare.com serial=2406151793

guide

DNSSECπŸ”’ Signed (DS record present)
NSv0n0.nic.guide ⭐
NSv0n1.nic.guide
NSv0n2.nic.guide
NSv0n3.nic.guide
NSv2n0.nic.guide
NSv2n1.nic.guide
SOAv0n0.nic.guidehostmaster@donuts.email serial=1782174603

Previously MX for

Same first word

Similar names

DNS History

18 records (6 active, 12 former)

2017201820192020202120222023202420252026NScarter.ns.cloudflare.comlila.ns.cloudflare.comns1.c6167.sgvps.netns2.c6167.sgvps.netMXcertification.guidemx10.mailspamprotection.commx20.mailspamprotection.commx30.mailspamprotection.comA104.21.46.215172.67.142.2202606:4700:3032::6815:2ed72606:4700:3037::ac43:8edc109.199.116.79188.114.96.0188.114.97.02606:4700:3035::6815:2ed72a06:98c1:3120::2a06:98c1:3121::
●NScarter.ns.cloudflare.com2026-03-21 β†’ 2026-06-23 Β· 3 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
● 2026-06-23 00:52:02
●NSlila.ns.cloudflare.com2026-03-21 β†’ 2026-06-23 Β· 3 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
● 2026-06-23 00:52:02
β—‹NSns1.c6167.sgvps.net2016-12-10 β†’ 2018-06-20 Β· 4 obs
● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
β—‹NSns2.c6167.sgvps.net2016-12-10 β†’ 2018-06-20 Β· 4 obs
● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
β—‹MXcertification.guide2016-12-10 β†’ 2016-12-10 Β· 3 obs
● 2016-12-10 18:08:42
β—‹ 2018-06-20 22:16:24
β—‹ 2026-06-23 00:52:02
β—‹MXmx10.mailspamprotection.com2018-06-20 β†’ 2018-06-20 Β· 4 obs
β—‹ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
β—‹MXmx20.mailspamprotection.com2018-06-20 β†’ 2018-06-20 Β· 4 obs
β—‹ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
β—‹MXmx30.mailspamprotection.com2018-06-20 β†’ 2018-06-20 Β· 4 obs
β—‹ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
●A104.21.46.2152026-03-23 β†’ 2026-06-23 Β· 15 obs
β—‹ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
β—‹ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
β—‹ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
β—‹ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
β—‹ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
● 2026-06-23 00:52:02
β—‹A109.199.116.792016-12-10 β†’ 2018-06-20 Β· 4 obs
● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
β—‹ 2026-03-21 15:40:46
β—‹ 2026-06-23 00:52:02
●A172.67.142.2202026-03-23 β†’ 2026-06-23 Β· 15 obs
β—‹ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
β—‹ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
β—‹ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
β—‹ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
β—‹ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
● 2026-06-23 00:52:02
β—‹A188.114.96.02026-03-21 β†’ 2026-06-02 Β· 16 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
β—‹ 2026-03-23 13:53:28
β—‹ 2026-03-29 03:21:18
● 2026-03-29 03:55:40
β—‹ 2026-04-01 06:14:36
β—‹ 2026-04-09 10:01:12
● 2026-04-13 22:52:32
β—‹ 2026-04-16 17:20:16
β—‹ 2026-05-05 21:54:44
● 2026-05-06 13:31:48
β—‹ 2026-05-06 16:24:30
β—‹ 2026-05-31 10:44:48
● 2026-06-02 19:18:44
β—‹ 2026-06-03 21:19:48
β—‹ 2026-06-23 00:52:02
β—‹A188.114.97.02026-03-21 β†’ 2026-06-02 Β· 16 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
β—‹ 2026-03-23 13:53:28
β—‹ 2026-03-29 03:21:18
● 2026-03-29 03:55:40
β—‹ 2026-04-01 06:14:36
β—‹ 2026-04-09 10:01:12
● 2026-04-13 22:52:32
β—‹ 2026-04-16 17:20:16
β—‹ 2026-05-05 21:54:44
● 2026-05-06 13:31:48
β—‹ 2026-05-06 16:24:30
β—‹ 2026-05-31 10:44:48
● 2026-06-02 19:18:44
β—‹ 2026-06-03 21:19:48
β—‹ 2026-06-23 00:52:02
●A2606:4700:3032::6815:2ed72026-06-23 β†’ 2026-06-23 Β· 2 obs
β—‹ 2026-06-15 04:41:16
● 2026-06-23 00:52:02
β—‹A2606:4700:3035::6815:2ed72026-03-23 β†’ 2026-06-15 Β· 16 obs
β—‹ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
β—‹ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
β—‹ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
β—‹ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
β—‹ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
● 2026-06-15 04:41:16
β—‹ 2026-06-23 00:52:02
●A2606:4700:3037::ac43:8edc2026-03-23 β†’ 2026-06-23 Β· 15 obs
β—‹ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
β—‹ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
β—‹ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
β—‹ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
β—‹ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
● 2026-06-23 00:52:02
β—‹A2a06:98c1:3120::2026-03-21 β†’ 2026-06-02 Β· 16 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
β—‹ 2026-03-23 13:53:28
β—‹ 2026-03-29 03:21:18
● 2026-03-29 03:55:40
β—‹ 2026-04-01 06:14:36
β—‹ 2026-04-09 10:01:12
● 2026-04-13 22:52:32
β—‹ 2026-04-16 17:20:16
β—‹ 2026-05-05 21:54:44
● 2026-05-06 13:31:48
β—‹ 2026-05-06 16:24:30
β—‹ 2026-05-31 10:44:48
● 2026-06-02 19:18:44
β—‹ 2026-06-03 21:19:48
β—‹ 2026-06-23 00:52:02
β—‹A2a06:98c1:3121::2026-03-21 β†’ 2026-06-02 Β· 16 obs
β—‹ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
β—‹ 2026-03-23 13:53:28
β—‹ 2026-03-29 03:21:18
● 2026-03-29 03:55:40
β—‹ 2026-04-01 06:14:36
β—‹ 2026-04-09 10:01:12
● 2026-04-13 22:52:32
β—‹ 2026-04-16 17:20:16
β—‹ 2026-05-05 21:54:44
● 2026-05-06 13:31:48
β—‹ 2026-05-06 16:24:30
β—‹ 2026-05-31 10:44:48
● 2026-06-02 19:18:44
β—‹ 2026-06-03 21:19:48
β—‹ 2026-06-23 00:52:02

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
guidev0n0.nic.guide, v0n2.nic.guide, v2n0.nic.guide, v0n3.nic.guide...12 records
certification.guidelila.ns.cloudflare.com, carter.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.193.80

NS records: lila.ns.cloudflare.com, carter.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certification.guide (unsigned zone)

⏱️ Timing

Total: 1132ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.46.215, 172.67.142.220
AAAA22606:4700:3037::ac43:8edc, 2606:4700:3032::6815:2ed7
NS2carter.ns.cloudflare.com, lila.ns.cloudflare.com
TXT2google-site-verification=epBIo_0wsyxtQOe, v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1carter.ns.cloudflare.com dns.cloudflare.

πŸ“Œ Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide...)

Analysis

IP Addresses

certification.guide points to the four IP addresses 104.21.46.215, 172.67.142.220, 2606:4700:3032::6815:2ed7 and 2606:4700:3037::ac43:8edc.

Two other host names, along with spc4floors.com, cf815.figovision2021.workers.dev and programmingplanetarium.com, also share IP numbers with certification.guide.

Name Servers

Two name servers handle the delegation for certification.guide: carter.ns.cloudflare.com and lila.ns.cloudflare.com.

certification.guide shares its NS records with other domains, for example bgfed.be, acessohot02.shop, unbored.training and two others.

There is at least partial name server overlap between certification.guide and other domains β€” e-eurostyl.pl, nikolaev.de, mamunclassified.com and two more among them.

The name servers laura.ns.cloudflare.com, sara.ns.cloudflare.com and alexis.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

carter.ns.cloudflare.com resolves to 108.162.193.80, 172.64.33.80 and 173.245.59.80 among others, with 3 other IP addresses in total.

lila.ns.cloudflare.com resolves to 108.162.192.186, 172.64.32.186 and 173.245.58.186 among others, with 3 other IP addresses in total.