`mail.boulderm.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4f4d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:a959^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.77^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.89^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.77, 172.67.169.89
		IPv6 hints	2606:4700:3030::6815:4f4d, 2606:4700:3031::ac43:a959
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com

`boulderm.com`

	DNSSEC	⚠️ Not signed
	A	2600:9000:201d:e00:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:2c00:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:6200:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:6a00:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:7c00:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:9400:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:a800:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	2600:9000:201d:ca00:f:a82f:fc80:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
	A	13.226.209.22^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
	A	13.226.209.64^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
	A	13.226.209.79^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
	A	13.226.209.115^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
	NS	`josephine.ns.cloudflare.com` ⭐
	NS	`rory.ns.cloudflare.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=P-2HdplamrMrSvMZf8VxzskT7_7noj5fp4t5KKJJ2rU`
	TXT	`v=spf1 mx ip4:103.237.169.16 include:_spf.google.com include:mail.hirefrederi...`
	HTTPS	HTTP/2
	SOA	`josephine.ns.cloudflare.com`dns@cloudflare.com serial=2399175295

Previously MX for

boulderm.com

Same first word

mail.mx

mail.cy

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

mail.bg

mail.wtf

mail.webhop.me

mail.al

mail.myfast.space

mail.vip

mail.red

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mail.pf

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mail.gov.mw

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mail.mmafan.biz

mail.ky

mail.synology-diskstation.de

mail.schoolbus.jp

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mail.cool

mail.uk

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mail.com.se

mail.gov.ao

mail.me

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mail.pr

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mail.gru.br

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mail.pictures

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mail.gov.al

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mail.io

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mail.firewall-gateway.com

mail.pro

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mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

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DNS History

8 records (4 active, 4 former)

○MXboulderm.com2020-01-28 → 2020-02-21 · 4 obs

● 2020-01-28 18:10:02
● 2020-02-21 15:57:44
○ 2026-03-06 00:20:16
○ 2026-04-12 06:42:16

○A103.237.169.162020-01-28 → 2020-02-21 · 5 obs

○ 2017-08-14 22:10:12
● 2020-01-28 18:10:02
● 2020-02-21 15:57:44
○ 2026-03-06 00:20:16
○ 2026-04-12 06:42:16

●A104.21.79.772026-03-06 → 2026-04-12 · 3 obs

○ 2020-02-21 15:57:44
● 2026-03-06 00:20:16
● 2026-04-12 06:42:16

○A172.64.80.12026-03-06 → 2026-04-12 · 2 obs

○ 2026-03-06 00:20:16
○ 2026-04-12 06:42:16

●A172.67.169.892026-03-06 → 2026-04-12 · 3 obs

○ 2020-02-21 15:57:44
● 2026-03-06 00:20:16
● 2026-04-12 06:42:16

●A2606:4700:3030::6815:4f4d2026-03-06 → 2026-04-12 · 3 obs

○ 2020-02-21 15:57:44
● 2026-03-06 00:20:16
● 2026-04-12 06:42:16

●A2606:4700:3031::ac43:a9592026-03-06 → 2026-04-12 · 3 obs

○ 2020-02-21 15:57:44
● 2026-03-06 00:20:16
● 2026-04-12 06:42:16

○A43.229.129.1402017-08-14 → 2017-08-14 · 3 obs

● 2017-08-14 22:10:12
○ 2020-01-28 18:10:02
○ 2026-04-12 06:42:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
boulderm.com	josephine.ns.cloudflare.com, rory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.166

NS records: josephine.ns.cloudflare.com, rory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boulderm.com (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.89, 104.21.79.77`
AAAA	2	`2606:4700:3031::ac43:a959, 2606:4700:3030::6815:4f4d`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.boulderm.com points to four IP numbers: 2606:4700:3030::6815:4f4d, 2606:4700:3031::ac43:a959, 104.21.79.77 and 172.67.169.89.

For instance, other host names sevdev.hu, hardcorefiles.com, diantangwang.net, deck.no and jdli-medpi.com share IP numbers with mail.boulderm.com.

mail.boulderm.com - robtex.com