bitnotes.org - dns.ninja

`bitnotes.org`

DNSSEC	⚠️ Not signed
A	2a02:2b88:2:1::6773:1^{🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s.}
A	46.28.110.163^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1b^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f27.1e100.net`
		A	142.251.127.26^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.net`
TXT	`google-site-verification=MOEslDH1x85iusYrXZO6dW2sk0mqc4LcJtO4PMkdx5o`
SOA	`ns.web4u.cz`admin@web4u.cz 2015-09-14 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1781712966

Subdomains

www.bitnotes.org

mail.bitnotes.org

Same first word

bitnotes.net

bitnotes.org

bitnotes.com

bitnotes.xyz

Similar names

DNS History

16 records (9 active, 7 former)

●NSns.web4u.cz2015-11-03 → 2026-06-17 · 2 obs

● 2015-11-03 21:33:38
● 2026-06-17 16:38:44

●NSns2.web4u.cz2015-11-03 → 2026-06-17 · 2 obs

● 2015-11-03 21:33:38
● 2026-06-17 16:38:44

●MXalt1.aspmx.l.google.com2016-09-16 → 2026-06-17 · 3 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2026-06-17 16:38:44

●MXalt2.aspmx.l.google.com2016-09-16 → 2026-06-17 · 3 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2026-06-17 16:38:44

●MXalt3.aspmx.l.google.com2016-09-16 → 2026-06-17 · 3 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2026-06-17 16:38:44

●MXalt4.aspmx.l.google.com2016-09-16 → 2026-06-17 · 3 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2026-06-17 16:38:44

●MXaspmx.l.google.com2016-09-16 → 2026-06-17 · 3 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2026-06-17 16:38:44

○MXmail.bitnotes.org2015-11-03 → 2016-04-08 · 4 obs

● 2015-11-03 21:33:38
● 2016-04-08 19:48:28
○ 2016-09-16 21:43:06
○ 2026-06-17 16:38:44

○A185.8.236.1552016-09-16 → 2018-06-16 · 5 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2018-06-16 09:36:16
○ 2026-03-25 00:41:58
○ 2026-06-17 16:38:44

○A2001:1568::132015-11-03 → 2015-11-03 · 3 obs

● 2015-11-03 21:33:38
○ 2016-01-20 10:25:16
○ 2026-06-17 16:38:44

○A2a02:2b88:2:1::22d7:12016-01-20 → 2016-04-08 · 5 obs

○ 2015-11-03 21:33:38
● 2016-01-20 10:25:16
● 2016-04-08 19:48:28
○ 2016-09-16 21:43:06
○ 2026-06-17 16:38:44

○A2a02:2b88:2:1::4c30:12016-09-16 → 2018-06-16 · 5 obs

○ 2016-04-08 19:48:28
● 2016-09-16 21:43:06
● 2018-06-16 09:36:16
○ 2026-03-25 00:41:58
○ 2026-06-17 16:38:44

●A2a02:2b88:2:1::6773:12026-03-25 → 2026-06-17 · 3 obs

○ 2018-06-16 09:36:16
● 2026-03-25 00:41:58
● 2026-06-17 16:38:44

○A37.157.198.362016-01-20 → 2016-04-08 · 5 obs

○ 2015-11-03 21:33:38
● 2016-01-20 10:25:16
● 2016-04-08 19:48:28
○ 2016-09-16 21:43:06
○ 2026-06-17 16:38:44

●A46.28.110.1632026-03-25 → 2026-06-17 · 3 obs

○ 2018-06-16 09:36:16
● 2026-03-25 00:41:58
● 2026-06-17 16:38:44

○A81.91.86.132015-11-03 → 2015-11-03 · 3 obs

● 2015-11-03 21:33:38
○ 2016-01-20 10:25:16
○ 2026-06-17 16:38:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
bitnotes.org	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitnotes.org (unsigned zone)

⏱️ Timing

Total: 703ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.28.110.163`
AAAA	1	`2a02:2b88:2:1::6773:1`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	1	`google-site-verification=MOEslDH1x85iusY`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

Hierarchy

bitnotes.org serves as the parent of www.bitnotes.org and mail.bitnotes.org.

IP Addresses

bitnotes.org has two IP addresses: 46.28.110.163 and 2a02:2b88:2:1::6773:1

Other host names, such as www.bitnotes.org, share IP numbers with bitnotes.org.

Name Servers

bitnotes.org is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

The name server configuration of bitnotes.org is shared with other domains, for instance systembaker.com, elancar.cz, brnenskaobalovna.org and two others.

ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

Five mail servers handle bitnotes.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by bitnotes.org are shared with other domains: paull.fr, ns500599.ns500599.ns500599.ns500724.ns500599.ns500737.ns500724.ns500724.ns500737.ns500737.ns500737.ns500697.ns500697.ns500682.ns500583.yummyflingsfinder.com, ns500758.ns500759.ns500758.ns500698.ns500576.ns500708.ns500698.ns500698.ns500619.ns500619.ns500619.trackreceptor.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt1.aspmx.l.google.com points to 142.250.102.26 and 2a00:1450:4025:402::1b.

alt2.aspmx.l.google.com points to 192.178.213.27 and 2a00:1450:4013:c1e::1a.

alt3.aspmx.l.google.com points to 142.251.127.26 and 2a00:1450:4001:c21::1b.

alt4.aspmx.l.google.com points to 142.250.147.26 and 2a00:1450:4025:c01::1a.