`kostasgur.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:1290^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b653^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.144^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.83^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c169^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2169^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brad.ns.cloudflare.com`
		A	108.162.193.105^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	172.64.33.105^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	173.245.59.105^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
NS	`kira.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kira.ns.cloudflare.com`
		A	108.162.194.197^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	162.159.38.197^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	172.64.34.197^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
MX	`mail.kostasgur.com` ⭐
		A	185.29.27.2^{🇬🇷 DNHOST185.29.24.0/22 Hellas POP - Hellix}
			PTR	`dedalus.mynewserver.com`
MX	`mx0.spamfilter.gr` ⭐
		A	2a01:4f8:151:4281::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`host1.spamfilter.gr`
		A	2a01:4f8:160:62e1::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	5.9.0.98^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`host2.spamfilter.gr`
		A	176.9.100.145^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
			PTR	`host1.spamfilter.gr`
		A	185.70.76.96^{🇬🇷 LANCOM185.70.76.0/24}
			PTR	`host0.spamfilter.gr`
MX	`mx1.spamfilter.gr`⁽²⁰⁾
		A	2a01:4f8:151:4281::3^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mx11.spamfilter.gr`
		A	2a01:4f8:160:62e1::3^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	5.9.0.121^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`mx21.spamfilter.gr`
		A	176.9.100.156^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
			PTR	`mx11.spamfilter.gr`
		A	185.70.76.100^{🇬🇷 LANCOM185.70.76.0/24}
			PTR	`mx01.spamfilter.gr`
TXT	`facebook-domain-verification=di9okp7iz1pgw30341ky1l6tt09cht`
TXT	`v=spf1 +a +mx +a:dedalus.mynewserver.com a:spf.spamfilter.gr -all`
TXT	`v=spf1 a:spf.spamfilter.gr ip4:185.29.24.4 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.144, 172.67.182.83
		IPv6 hints	2606:4700:3037::6815:1290, 2606:4700:3037::ac43:b653
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOA	`brad.ns.cloudflare.com`dns@cloudflare.com serial=2409689542

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785686802

Subdomains

www.kostasgur.com

Same first word

kostasgur.com

DNS History

17 records (9 active, 8 former)

○NSadmin.mynewserver.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 10:25:06
○ 2026-07-19 07:14:04
○ 2026-08-02 16:37:44

●NSbrad.ns.cloudflare.com2026-07-19 → 2026-08-02 · 3 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
● 2026-08-02 16:37:44

●NSkira.ns.cloudflare.com2026-07-19 → 2026-08-02 · 3 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
● 2026-08-02 16:37:44

○NSns1.mynewserver.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 10:25:06
○ 2026-07-19 07:14:04
○ 2026-08-02 16:37:44

○NSns2.mynewserver.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 10:25:06
○ 2026-07-19 07:14:04
○ 2026-08-02 16:37:44

●MXmail.kostasgur.com2026-07-19 → 2026-08-02 · 3 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
● 2026-08-02 16:37:44

●MXmx0.spamfilter.gr2017-05-08 → 2026-08-02 · 2 obs

● 2017-05-08 10:25:06
● 2026-08-02 16:37:44

●MXmx1.spamfilter.gr2017-05-08 → 2026-08-02 · 2 obs

● 2017-05-08 10:25:06
● 2026-08-02 16:37:44

●A104.21.18.1442026-08-02 → 2026-08-02 · 3 obs

○ 2026-07-19 07:14:04
● 2026-08-02 16:37:42
● 2026-08-02 16:37:44

●A172.67.182.832026-08-02 → 2026-08-02 · 3 obs

○ 2026-07-19 07:14:04
● 2026-08-02 16:37:42
● 2026-08-02 16:37:44

○A188.114.96.02026-07-19 → 2026-07-19 · 4 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
○ 2026-08-02 16:37:42
○ 2026-08-02 16:37:44

○A188.114.97.02026-07-19 → 2026-07-19 · 4 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
○ 2026-08-02 16:37:42
○ 2026-08-02 16:37:44

●A2606:4700:3037::6815:12902026-08-02 → 2026-08-02 · 3 obs

○ 2026-07-19 07:14:04
● 2026-08-02 16:37:42
● 2026-08-02 16:37:44

●A2606:4700:3037::ac43:b6532026-08-02 → 2026-08-02 · 3 obs

○ 2026-07-19 07:14:04
● 2026-08-02 16:37:42
● 2026-08-02 16:37:44

○A2a06:98c1:3120::2026-07-19 → 2026-07-19 · 4 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
○ 2026-08-02 16:37:42
○ 2026-08-02 16:37:44

○A2a06:98c1:3121::2026-07-19 → 2026-07-19 · 4 obs

○ 2017-05-08 10:25:06
● 2026-07-19 07:14:04
○ 2026-08-02 16:37:42
○ 2026-08-02 16:37:44

○A54.172.239.262017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 10:25:06
○ 2026-07-19 07:14:04
○ 2026-08-02 16:37:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
kostasgur.com	brad.ns.cloudflare.com, kira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.197

NS records: brad.ns.cloudflare.com, kira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kostasgur.com (unsigned zone)

⏱️ Timing

Total: 636ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.18.144, 172.67.182.83`
AAAA	2	`2606:4700:3037::6815:1290, 2606:4700:3037::ac43:b653`
NS	2	`brad.ns.cloudflare.com, kira.ns.cloudflare.com`
MX	3	`mail.kostasgur.com (pri: 10), mx0.spamfilter.gr (pri: 10)...`
TXT	3	`facebook-domain-verification=di9okp7iz1p, v=spf1 +a +mx +a:dedalus.mynewserver.com...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (brad.ns.cloudflare.com, brad.ns.cloudflare.com, brad.ns.cloudflare.com...)

Analysis

Hierarchy

kostasgur.com is the parent zone for www.kostasgur.com.

IP Addresses

kostasgur.com resolves to four IP addresses: 104.21.18.144, 172.67.182.83, 2606:4700:3037::6815:1290 and 2606:4700:3037::ac43:b653.

Among the host names that share IP numbers with kostasgur.com are correo.arfeldt.com, coderscrown.com, hainingfanli.com and two others.

Name Servers

Two name servers handle the delegation for kostasgur.com: brad.ns.cloudflare.com and kira.ns.cloudflare.com.

kostasgur.com has the same name server delegation as a number of other domains, such as flexstudio.biz, fashups.com, canischool.ch and two more.

kostasgur.com partially shares its NS delegation with several other domains, including lush.de, qvzrg.org, trenchcoatx.com and two others.

These name servers are regularly seen alongside rohin.ns.cloudflare.com and serenity.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

brad.ns.cloudflare.com resolves to 108.162.193.105, 172.64.33.105 and 173.245.59.105 among others, with 3 other IP addresses in total.

kira.ns.cloudflare.com resolves to 108.162.194.197, 162.159.38.197 and 172.64.34.197 among others, with 3 other IP addresses in total.

Mail Servers

kostasgur.com uses three mail servers — mail.kostasgur.com, mx0.spamfilter.gr and mx1.spamfilter.gr.

kostasgur.com shares at least some of its mail servers with other domains — for example fiesta.gr, dreamsailing.gr, tentesgikas.gr and two more.

Hostnames that point to five IP numbers:

mx0.spamfilter.gr directs to 5.9.0.98, 176.9.100.145, 185.70.76.96 and two other IP addresses.

mx1.spamfilter.gr directs to 5.9.0.121, 176.9.100.156, 185.70.76.100 and two other IP addresses.

Hosts that resolve to one IP address:

The hostname mail.kostasgur.com resolves to 185.29.27.2.

kostasgur.com - robtex.com

kostasgur.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kostasgur.com`

`com`