gasop.dk

📜 Historical scan 2026-08-08 20:18:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gasop.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 15 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gasop-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.42	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.157	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gasop-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.25 52.101.68.29 52.101.68.3 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	104.21.76.42

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:4c2a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ba9d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.42,172.67.186.157 ech=AEX+DQBBJwAgACBLeT5C3WyByB+dVd7QqkwuOTOij76A2xL+1yJVJ4nYDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4c2a,2606:4700:3037::ac43:ba9d

📝 TXT Records#

3 records 196ms

TXT Record
MS=ms95912016
v=spf1 include:spf.protection.outlook.com -all
v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com include:sendgrid.net -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (gasop.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:spf.gigahost.dk include:spf.simply.com include:sendgrid.net -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 13:22:58

www	193.8.38.9 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gasop.dk: 193.8.38.9 (AS48854) www.gasop.dk: 193.8.38.9 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
s1	s1.domainkey.u34239818.wl069.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

101ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411621602
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 17:17:15

Field	Value
Registrar	CURANET A/S
Registered	2015-04-15
Expires	2027-04-30 (186d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

51ms

50ms

AAAA

54ms

TXT

196ms

CAA

42ms

HTTPS

65ms

TLSA

897ms

SOA

0ms

MTA-STS

60ms

DNSSEC

101ms

SRV

84ms

Total

2166ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 19:22:47	1054ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 08:18:48	899ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 03:16:23	913ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:12:06	805ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 19:40:54	3018ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 15:37:46	9302ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 20:18:42 shown	2166ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 09:09:44	1214ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 08:39:44	2714ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 22:42:12	1115ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:17:06	1251ms	2 NS 2 A 1 MX	🔓 Insecure