gulvcenteret.dk

Records from scan: 2026-10-07 08:23:11 · 2016ms total · last checked 2026-10-22 16:10 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gulvcenteret.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 24 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by kgc-dk0c.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 100ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kgc-dk0c.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::c 52.101.181.153 52.101.209.28 52.101.73.126 52.101.91.159	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.152
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

1 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 247ms

TXT Record
v=spf1 include:shops.shopify.com include:spf.simply.com -all
vpe=bb62153

✉️ SPF#

Policy	Record (gulvcenteret.dk)
-all (hard fail)	v=spf1 include:shops.shopify.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.gulvcenteret.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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#

checked 2026-10-10 12:07:33

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network gulvcenteret.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.gulvcenteret.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

225ms

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

🏷️ SOA#

72ms

Field	Value
Serial	2026100600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 08:25:01

Field	Value
Registrar	Simply.com A/S
Registered	2021-02-24
Expires	2027-02-28 (126d)

📋 WHOIS#

⏱️ Lookup Timing#

100ms

114ms

109ms

AAAA

88ms

TXT

247ms

CAA

115ms

HTTPS

105ms

TLSA

871ms

SOA

72ms

MTA-STS

145ms

DNSSEC

225ms

SRV

130ms

Total

2016ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 08:23:11 shown	2016ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 06:42:29	1137ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:35:45	1097ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 05:42:50	1271ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-22 02:45:08	913ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-31 21:18:11	880ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 03:05:26	2337ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 20:20:41	1172ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:17:30	2935ms	4 NS 1 A 1 MX	🔒 Secure