🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mastersofbytes.org`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c0c:e028::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www.mastersofbytes.org`
A	49.12.196.31^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`mailer.mastersofbytes.org` ⭐
		A	2a01:4f8:1c0c:7cf5::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mailer.mastersofbytes.org`
		A	195.201.127.154^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`mailer.mastersofbytes.org`
TXT	`atlassian-sending-domain-verification=fb392e83-54f3-49f9-865e-577dcc9a9bad`
TXT	`google-site-verification=jRFCyGADidGe9YxOtsr1lhg9trGMenXcKvYgKetjPWY`
TXT	`v=spf1 a mx ~all`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-06-10 #11

`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=1788792759

Subdomains

www.mastersofbytes.org

mail.mastersofbytes.org

mailer.mastersofbytes.org

Same first word

mastersofbytes.com

mastersofbytes.org

Previous names

Next names

DNS History

13 records (6 active, 7 former)

○NScore.mastersofbytes.org2026-02-25 → 2026-09-07 · 2 obs

○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

●NShelium.ns.hetzner.de2026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

●NShydrogen.ns.hetzner.com2026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

○NSns.mastersofbytes.org2015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

○NSns1.first-ns.de2015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

●NSoxygen.ns.hetzner.com2026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

○NSrobotns2.second-ns.de2015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

○NSrobotns3.second-ns.com2015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

○MXmail.mastersofbytes.org2015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

●MXmailer.mastersofbytes.org2026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

●A2a01:4f8:c0c:e028::22026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

○A46.4.28.832015-05-31 → 2016-11-24 · 4 obs

● 2015-05-31 14:16:52
● 2016-11-24 21:14:10
○ 2026-02-25 05:34:54
○ 2026-09-07 15:27:20

●A49.12.196.312026-02-25 → 2026-09-07 · 3 obs

○ 2016-11-24 21:14:10
● 2026-02-25 05:34:54
● 2026-09-07 15:27:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
mastersofbytes.org	oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de	-

✅ Authoritative Response

Server:88.198.229.192

NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastersofbytes.org (unsigned zone)

⏱️ Timing

Total: 2220ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.12.196.31`
AAAA	1	`2a01:4f8:c0c:e028::2`
NS	3	`oxygen.ns.hetzner.com, helium.ns.hetzner.de...`
MX	1	`mailer.mastersofbytes.org (pri: 10)`
TXT	3	`atlassian-sending-domain-verification=fb, google-site-verification=jRFCyGADidGe9Yx...`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

Hierarchy

www.mastersofbytes.org, mail.mastersofbytes.org and mailer.mastersofbytes.org are all subdomains of mastersofbytes.org.

IP Addresses

mastersofbytes.org has two IP addresses: 49.12.196.31 and 2a01:4f8:c0c:e028::2

smoonie.de, vonotte.net, poehoe.net and two other host names share IP numbers with mastersofbytes.org.

Name Servers

mastersofbytes.org carries NS records delegating to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

The name servers of mastersofbytes.org overlap at least partially with those of other domains — among them marsden.info, itsystemhaus.services, altenforst-akademie.de and two more.

hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are three hostnames that each resolve to a pair of IP addresses: hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

Mail for mastersofbytes.org is handled by a single mail server, mailer.mastersofbytes.org.

The MX records for mastersofbytes.org match those of other domains — including poehoe.net and muehlwaerts.de.

mailer.mastersofbytes.org resolves to two IP numbers — 195.201.127.154 and 2a01:4f8:1c0c:7cf5::2.

mastersofbytes.org - robtex.com