`systers.bio`

DNSSEC	⚠️ Not signed
A	185.64.219.37^{🇨🇿 VSHOSTING185.64.216.0/22 V.}
		PTR	`shoptet-lb-prot.vshosting.cz`
NS	`ns.onebit.cz` ⭐
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns.onebit.eu`
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns.onebit.org`
		A	2a03:b0c0:1:d0::1090:2001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
		A	178.62.60.201^{🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f27.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com include:mailgun.org ~all`
TXT	`facebook-domain-verification=7aircyfkn2iyn53ahozh5ko5btrgpi`
TXT	`google-site-verification=UPDbraNeS8O7nRnKq3o-mTT79VgyFKQEOWzhqy7GCQc`
TXT	`lw=656f092c30b7a3a36d84f4b2`
TXT	`google-site-verification=RGgznlWCKVBzW85r0bZjOqsmWJbZt0XPppwAwzuhLAQ`
SOA	`ns.onebit.cz`hostmaster@onebit.cz 2026-02-22 #8

`bio`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.bio` ⭐
	NS	`a2.nic.bio`
	NS	`b0.nic.bio`
	NS	`c0.nic.bio`
	SOA	`a0.nic.bio`hostmaster@donuts.email serial=1778487082

Subdomains

www.systers.bio

Same first word

systers.de

systers.net

systers.com

systers.org

systers.bio

Similar names

strysse.net

stressy.de

sysrest.com

sesstry.com

strysse.com

DNS History

9 records (9 active, 0 former)

●NSns.onebit.cz2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●NSns.onebit.eu2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●NSns.onebit.org2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●MXalt1.aspmx.l.google.com2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●MXalt2.aspmx.l.google.com2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●MXalt3.aspmx.l.google.com2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●MXalt4.aspmx.l.google.com2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●MXaspmx.l.google.com2026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

●A185.64.219.372026-04-12 → 2026-05-11 · 2 obs

● 2026-04-12 01:07:38
● 2026-05-11 08:37:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
bio	a0.nic.bio, a2.nic.bio, b0.nic.bio, c0.nic.bio	8 records
systers.bio	ns.onebit.eu, ns.onebit.cz, ns.onebit.org	-

✅ Authoritative Response

Server:185.65.223.35

NS records: ns.onebit.eu, ns.onebit.cz, ns.onebit.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systers.bio (unsigned zone)

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.64.219.37`
NS	3	`ns.onebit.cz, ns.onebit.org...`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	5	`v=spf1 include:_spf.google.com include:m, google-site-verification=RGgznlWCKVBzW85...`
SOA	1	`ns.onebit.cz hostmaster.onebit.cz`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.bio, a2.nic.bio, b0.nic.bio...)

Analysis

Hierarchy

systers.bio is the parent of www.systers.bio.

IP Addresses

systers.bio points to IP number 185.64.219.37.

For instance, other host names specialka.com, kupo.cz, stormfashion.cz, civil-steampunk.cz and slov-aqua.eu share IP numbers with systers.bio.

Name Servers

The delegation for systers.bio is handled by three name servers: ns.onebit.cz, ns.onebit.eu and ns.onebit.org.

systers.bio shares name servers with other domains at least partially, for example 2mbs.eu, kidedu.cz, vavrica.cz, avona.cz and salistregarage.com.