`certification.guide`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2ed7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8edc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.215^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.220^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carter.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c150^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2150^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carter.ns.cloudflare.com`
		A	108.162.193.80^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	172.64.33.80^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	173.245.59.80^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
NS	`lila.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aba^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0ba^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20ba^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.186^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.186^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.186^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=epBIo_0wsyxtQOeQerv3r0yqsW9WNLha4eBI1MIsjx0`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.215, 172.67.142.220
		IPv6 hints	2606:4700:3032::6815:2ed7, 2606:4700:3037::ac43:8edc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=157, name=cloudflare-ech.com
SOA	`carter.ns.cloudflare.com`dns@cloudflare.com serial=2406151793

`guide`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.guide` ⭐
	NS	`v0n1.nic.guide`
	NS	`v0n2.nic.guide`
	NS	`v0n3.nic.guide`
	NS	`v2n0.nic.guide`
	NS	`v2n1.nic.guide`
	SOA	`v0n0.nic.guide`hostmaster@donuts.email serial=1782942745

Previously MX for

certification.guide

Same first word

certification.guide

certification.nu

certification.com

certification.world

certification.org.ge

certification.international

certification.fr

certification.no

certification.lt

certification.tn

certification.it

certification.nl

certification.ua

certification.io

certification.center

certification.net

certification.net.ua

certification.co.in

certification.coach

certification.photography

certification.eu

certification.digital

certification.lol

certification.am

certification.fi

certification.ie

certification.se

certification.solutions

certification.academy

certification.us

certification.zone

certification.in

certification.jp

certification.cc

certification.pl

certification.dk

certification.services

certification.dp.ua

certification.systems

certification.agency

certification.network

certification.cn

certification.kz

certification.de

certification.management

certification.ltd

certification.be

certification.pk

Similar names

rectification.org

rectification.fr

rectification.com

rectification.be

rectification.net

DNS History

18 records (6 active, 12 former)

●NScarter.ns.cloudflare.com2026-03-21 → 2026-07-03 · 3 obs

○ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
● 2026-07-03 11:00:54

●NSlila.ns.cloudflare.com2026-03-21 → 2026-07-03 · 3 obs

○ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
● 2026-07-03 11:00:54

○NSns1.c6167.sgvps.net2016-12-10 → 2018-06-20 · 4 obs

● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

○NSns2.c6167.sgvps.net2016-12-10 → 2018-06-20 · 4 obs

● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

○MXcertification.guide2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:08:42
○ 2018-06-20 22:16:24
○ 2026-07-03 11:00:54

○MXmx10.mailspamprotection.com2018-06-20 → 2018-06-20 · 4 obs

○ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

○MXmx20.mailspamprotection.com2018-06-20 → 2018-06-20 · 4 obs

○ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

○MXmx30.mailspamprotection.com2018-06-20 → 2018-06-20 · 4 obs

○ 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

●A104.21.46.2152026-03-23 → 2026-07-03 · 19 obs

○ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
○ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
○ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
○ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
○ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
○ 2026-06-25 01:59:38
● 2026-06-25 22:58:18
○ 2026-06-29 14:26:00
● 2026-07-01 23:14:38
● 2026-07-03 11:00:54

○A109.199.116.792016-12-10 → 2018-06-20 · 4 obs

● 2016-12-10 18:08:42
● 2018-06-20 22:16:24
○ 2026-03-21 15:40:46
○ 2026-07-03 11:00:54

●A172.67.142.2202026-03-23 → 2026-07-03 · 19 obs

○A188.114.96.02026-03-21 → 2026-06-29 · 20 obs

○ 2018-06-20 22:16:24
● 2026-03-21 15:40:46
○ 2026-03-23 13:53:28
○ 2026-03-29 03:21:18
● 2026-03-29 03:55:40
○ 2026-04-01 06:14:36
○ 2026-04-09 10:01:12
● 2026-04-13 22:52:32
○ 2026-04-16 17:20:16
○ 2026-05-05 21:54:44
● 2026-05-06 13:31:48
○ 2026-05-06 16:24:30
○ 2026-05-31 10:44:48
● 2026-06-02 19:18:44
○ 2026-06-03 21:19:48
● 2026-06-25 01:59:38
○ 2026-06-25 22:58:18
● 2026-06-29 14:26:00
○ 2026-07-01 23:14:38
○ 2026-07-03 11:00:54

○A188.114.97.02026-03-21 → 2026-06-29 · 20 obs

●A2606:4700:3032::6815:2ed72026-06-23 → 2026-07-03 · 7 obs

○ 2026-06-15 04:41:16
● 2026-06-23 00:52:02
○ 2026-06-25 01:59:38
● 2026-06-25 22:58:18
○ 2026-06-29 14:26:00
● 2026-07-01 23:14:38
● 2026-07-03 11:00:54

○A2606:4700:3035::6815:2ed72026-03-23 → 2026-06-15 · 17 obs

○ 2026-03-21 15:40:46
● 2026-03-23 13:53:28
● 2026-03-29 03:21:18
○ 2026-03-29 03:55:40
● 2026-04-01 06:14:36
● 2026-04-09 10:01:12
○ 2026-04-13 22:52:32
● 2026-04-16 17:20:16
● 2026-05-05 21:54:44
○ 2026-05-06 13:31:48
● 2026-05-06 16:24:30
● 2026-05-31 10:44:48
○ 2026-06-02 19:18:44
● 2026-06-03 21:19:48
● 2026-06-15 04:41:16
○ 2026-06-23 00:52:02
○ 2026-07-03 11:00:54

●A2606:4700:3037::ac43:8edc2026-03-23 → 2026-07-03 · 19 obs

○A2a06:98c1:3120::2026-03-21 → 2026-06-29 · 20 obs

○A2a06:98c1:3121::2026-03-21 → 2026-06-29 · 20 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
guide	v0n1.nic.guide, v2n1.nic.guide, v0n3.nic.guide, v0n0.nic.guide...	12 records
certification.guide	lila.ns.cloudflare.com, carter.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.186

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certification.guide (unsigned zone)

⏱️ Timing

Total: 4532ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.220, 104.21.46.215`
AAAA	2	`2606:4700:3037::ac43:8edc, 2606:4700:3032::6815:2ed7`
NS	2	`carter.ns.cloudflare.com, lila.ns.cloudflare.com`
TXT	2	`google-site-verification=epBIo_0wsyxtQOe, v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n1.nic.guide, v0n1.nic.guide, v2n1.nic.guide...)

Analysis

IP Addresses

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

Other host names, for instance programmingplanetarium.com, streets.mn, www.itop1069.space and two other 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.

Hosts with 6 IP addresses each:

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.

certification.guide - robtex.com