master.gr - dns.ninja

master.gr

DNSSEC⚠️ Not signed
A2606:4700:20::681a:12πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:20::681a:112πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:20::ac43:45b7πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.26.0.18Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.26.1.18Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.69.183πŸ‡ΊπŸ‡Έ Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
NSkevin.ns.cloudflare.com
A2606:4700:58::adf5:3bbfπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bfπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkevin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bfπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRkevin.ns.cloudflare.com
A108.162.193.191πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A172.64.33.191πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A173.245.59.191πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
MXmail.master.gr ⭐
A148.251.10.103πŸ‡©πŸ‡ͺ Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2
PTRmail.master.gr
TXTgoogle-site-verification=C65p_eJGpSv-PpjWAnBFjgdqx0LlyKxw9hsRqwIQVz0
TXTv=spf1 a mx ip4:148.251.10.103 ip4:148.251.10.106 ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.26.0.18, 104.26.1.18, 172.67.69.183
IPv6 hints2606:4700:20::681a:12, 2606:4700:20::681a:112, 2606:4700:20::ac43:45b7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=32, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2411065460

gr

DNSSECπŸ”’ Signed (DS record present)
NSgrdns.ics.forth.gr ⭐
NSestia.ics.forth.gr
NSgr-a.ics.forth.gr
NSgr-at.ics.forth.gr
NSgr-d.ics.forth.gr
NSgr-m.ics.forth.gr
SOAgrdns.ics.forth.grhmaster-info@ics.forth.gr serial=2608041891

Subdomains

Same first word

Similar names

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comkevin.ns.cloudflare.comns1.call2open.comns2.call2open.comMXmail.master.grA104.26.0.18104.26.1.18172.67.69.1832606:4700:20::681a:1122606:4700:20::681a:122606:4700:20::ac43:45b7176.9.98.234176.9.98.244
●NSdorthy.ns.cloudflare.com2026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
●NSkevin.ns.cloudflare.com2026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
β—‹NSns1.call2open.com2015-07-19 β†’ 2016-12-07 Β· 4 obs
● 2015-07-19 01:17:32
● 2016-12-07 16:01:22
β—‹ 2026-02-20 11:05:48
β—‹ 2026-08-04 20:02:06
β—‹NSns2.call2open.com2015-07-19 β†’ 2016-12-07 Β· 4 obs
● 2015-07-19 01:17:32
● 2016-12-07 16:01:22
β—‹ 2026-02-20 11:05:48
β—‹ 2026-08-04 20:02:06
●MXmail.master.gr2015-07-19 β†’ 2026-08-04 Β· 2 obs
● 2015-07-19 01:17:32
● 2026-08-04 20:02:06
●A104.26.0.182026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
●A104.26.1.182026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
●A172.67.69.1832026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
β—‹A176.9.98.2342015-07-19 β†’ 2016-12-07 Β· 4 obs
● 2015-07-19 01:17:32
● 2016-12-07 16:01:22
β—‹ 2026-02-20 11:05:48
β—‹ 2026-08-04 20:02:06
β—‹A176.9.98.2442016-04-10 β†’ 2016-12-07 Β· 5 obs
β—‹ 2015-07-19 01:17:32
● 2016-04-10 22:26:42
● 2016-12-07 16:01:22
β—‹ 2026-02-20 11:05:48
β—‹ 2026-08-04 20:02:06
●A2606:4700:20::681a:1122026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
●A2606:4700:20::681a:122026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06
●A2606:4700:20::ac43:45b72026-02-20 β†’ 2026-08-04 Β· 3 obs
β—‹ 2016-12-07 16:01:22
● 2026-02-20 11:05:48
● 2026-08-04 20:02:06

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
grgr-a.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr...-
master.grkevin.ns.cloudflare.com, dorthy.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.58.249

NS records: kevin.ns.cloudflare.com, dorthy.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master.gr (unsigned zone)

⏱️ Timing

Total: 466ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A3104.26.1.18, 172.67.69.183...
AAAA32606:4700:20::681a:12, 2606:4700:20::ac43:45b7...
NS2dorthy.ns.cloudflare.com, kevin.ns.cloudflare.com
MX1mail.master.gr (pri: 0)
TXT2google-site-verification=C65p_eJGpSv-Ppj, v=spf1 a mx ip4:148.251.10.103 ip4:148.2
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

The parent domain of mail.master.gr and www.master.gr is master.gr.

IP Addresses

With 6 IP addresses in total, master.gr resolves to 104.26.0.18, 104.26.1.18, 172.67.69.183 and 3 other.

Among the host names that share IP numbers with master.gr are sigma.com.mt, www.cadena88.com, svscomics.com and two others.

Name Servers

master.gr uses two name servers for its delegation: dorthy.ns.cloudflare.com and kevin.ns.cloudflare.com.

master.gr has the same name server delegation as a number of other domains, such as 098.org, swiss123.com, villagegolfodeglietruschi.com and two more.

There is at least partial name server overlap between master.gr and other domains β€” dgtrjx.cn, gotonedu.com, trrfiles.cfd and two more among them.

The name servers rayden.ns.cloudflare.com, abdullah.ns.cloudflare.com and houston.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

Hostname dorthy.ns.cloudflare.com directs to 108.162.192.249, 172.64.32.249 and 173.245.58.249 along with 3 other IP addresses.

Hostname kevin.ns.cloudflare.com directs to 108.162.193.191, 172.64.33.191 and 173.245.59.191 along with 3 other IP addresses.

Mail Servers

master.gr routes its mail through a single mail server, mail.master.gr.

mail.master.gr directs to just one IP number, 148.251.10.103.