`bullsender.dk`

DNSSEC	🔒 Signed (DS record present)
A	37.187.68.185^{🇫🇷 OVH37.187.0.0/16}
		PTR	`ns6395103.ip-37-187-68.eu`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`bullsender-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
MX	`aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=Ypq9RmeZTCsti10QKMLqL-TbX9QUG8q9M9kOacNtPls`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms77348189`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2021-11-17 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1784578681localtime Mon Jul 20 22:18:01 2026gmtime Mon Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1784578681

Same first word

bullsender.dk

bullsender.com

DNS History

14 records (9 active, 5 former)

●NSns1.curanet.dk2026-02-15 → 2026-07-20 · 3 obs

○ 2018-08-17 16:16:04
● 2026-02-15 23:17:08
● 2026-07-20 20:54:36

○NSns1.gratisdns.dk2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 16:16:04
○ 2026-02-15 23:17:08
○ 2026-07-20 20:54:36

●NSns2.curanet.dk2026-02-15 → 2026-07-20 · 3 obs

○ 2018-08-17 16:16:04
● 2026-02-15 23:17:08
● 2026-07-20 20:54:36

○NSns2.gratisdns.dk2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 16:16:04
○ 2026-02-15 23:17:08
○ 2026-07-20 20:54:36

○NSns3.gratisdns.dk2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 16:16:04
○ 2026-02-15 23:17:08
○ 2026-07-20 20:54:36

○NSns4.gratisdns.dk2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 16:16:04
○ 2026-02-15 23:17:08
○ 2026-07-20 20:54:36

○NSns5.gratisdns.dk2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 16:16:04
○ 2026-02-15 23:17:08
○ 2026-07-20 20:54:36

●MXalt1.aspmx.l.google.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●MXalt2.aspmx.l.google.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●MXaspmx.l.google.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●MXaspmx2.googlemail.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●MXaspmx3.googlemail.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●MXbullsender-dk.mail.protection.outlook.com2018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

●A37.187.68.1852018-08-17 → 2026-07-20 · 2 obs

● 2018-08-17 16:16:04
● 2026-07-20 20:54:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	t.nic.dk, c.nic.dk, b.nic.dk, h.nic.dk...	-
bullsender.dk	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1257ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.187.68.185`
NS	2	`ns1.curanet.dk, ns2.curanet.dk`
MX	6	`alt2.aspmx.l.google.com (pri: 20), bullsender-dk.mail.protection.outlook.co...`
TXT	3	`v=spf1 include:spf.protection.outlook.co, MS=ms77348189...`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

IP Addresses

bullsender.dk directs to one IP number, which is 37.187.68.185.

Name Servers

The NS records for bullsender.dk delegate to ns1.curanet.dk and ns2.curanet.dk.

bullsender.dk has the same name server delegation as a number of other domains, such as penz.dk, csb-island.dk, wogo.dk and two more.

At least some of bullsender.dk's name servers are shared with other domains, for example xn--byggerdgivning-qib.com, lbit.dk, wordpresstema.dk and two more.

These name servers tend to be used in conjunction with the name servers ns1.123hotel.dk.

ns1.curanet.dk resolves to 185.25.141.12 and 2a02:2339:4006:108::123. Likewise, ns2.curanet.dk resolves to 91.197.248.75 and 2a02:2339:1:10f::123:123 — two IP addresses apiece.

Mail Servers

bullsender.dk uses 6 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and 3 other.

bullsender.dk shares at least some of its mail servers with other domains — for example eaeaydinlatma.com, mujigae.com, trentpenfold.com and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Host names resolving to 8 IP numbers:

bullsender-dk.mail.protection.outlook.com maps to 52.101.68.15, 52.101.68.36, 52.101.73.16 and 5 additional IP addresses.

Hosts with two IP numbers each:

The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 142.251.167.26 and 2607:f8b0:4004:c1d::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.