gapguard.dk

📜 Historical scan 2026-06-17 10:33:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gapguard.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.196 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by gapguard-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 117ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.196	—	webcluster1.webpod18-cph3.g1i.one	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	gapguard-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.16 52.101.73.24 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)#

1 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:25:9524:f6fe:26fa	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 156ms

TXT Record
ms78363636
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (gapguard.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.gapguard.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:DMARC@Itnu.dk; ruf=mailto:DMARC@Itnu.dk; fo=1

📬 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 2026-10-18 15:03:49

www	104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gapguard.dk: 104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335) www.gapguard.dk: 104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-gapguard-dk._domainkey.itnu.w-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-gapguard-dk._domainkey.itnu.w-v1.dkim.mail.microsoft	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

80ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 00:44:06

Field	Value
Registrar	ONE.COM A/S
Registered	2026-04-06
Expires	2027-04-05 (168d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

117ms

36ms

AAAA

77ms

TXT

156ms

CAA

34ms

HTTPS

34ms

TLSA

403ms

SOA

80ms

MTA-STS

42ms

DNSSEC

62ms

SRV

0ms

Total

1063ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 15:03:49	2557ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 00:25:01	2928ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 22:00:54	1529ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 17:28:41	2107ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 09:50:07	2631ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 15:22:44	2056ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 14:17:05	1755ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-20 14:00:36	15385ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 10:31:14	17270ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 09:26:05	10519ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 18:28:06	7600ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 13:57:13	1036ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:33:15 shown	1063ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:29:32	911ms	2 NS 1 A 1 MX	🔒 Secure